673 lines
23 KiB
Scheme
673 lines
23 KiB
Scheme
(library
|
|
(device-mapper dm-tests)
|
|
(export register-dm-tests
|
|
get-dev-size)
|
|
(import (device-mapper ioctl)
|
|
(disk-units)
|
|
(chezscheme)
|
|
(functional-tests)
|
|
(fmt fmt)
|
|
(list-utils)
|
|
(logging)
|
|
(loops)
|
|
(prefix (parser-combinators) p:)
|
|
(process)
|
|
(srfi s27 random-bits)
|
|
(temp-file)
|
|
(utils))
|
|
|
|
;; We have to export something that forces all the initialisation expressions
|
|
;; to run.
|
|
(define (register-dm-tests) #t)
|
|
|
|
;; Hard coded, get these from the command line
|
|
(define fast-dev "/dev/vda")
|
|
(define mk-fast-allocator
|
|
(let ((size (get-dev-size fast-dev)))
|
|
(lambda ()
|
|
(make-allocator fast-dev (to-sectors size)))))
|
|
|
|
(define slow-dev "/dev/vdb")
|
|
(define mk-slow-allocator
|
|
(let ((size (get-dev-size slow-dev)))
|
|
(lambda ()
|
|
(make-allocator slow-dev (to-sectors size)))))
|
|
|
|
(define-record-type segment (fields (mutable dev)
|
|
(mutable start)
|
|
(mutable end)))
|
|
|
|
(define (linear seg)
|
|
(make-target (- (segment-end seg) (segment-start seg))
|
|
"linear"
|
|
(fmt #f (segment-dev seg) " " (segment-start seg))))
|
|
|
|
;; FIXME: move above first use
|
|
(define (make-allocator dev dev-len)
|
|
(let ((offset 0))
|
|
(lambda (len)
|
|
(let ((b offset)
|
|
(e (+ offset (to-sectors len))))
|
|
(if (> e dev-len)
|
|
(fail "not enough space for allocation")
|
|
(begin
|
|
(set! offset e)
|
|
(linear (make-segment dev b e))))))))
|
|
|
|
(define (linear-table allocator nr-targets)
|
|
(let loop ((nr-targets nr-targets)
|
|
(acc '()))
|
|
(if (zero? nr-targets)
|
|
(reverse acc)
|
|
(loop (- nr-targets 1)
|
|
(cons (allocator (sectors (* 8 (random-integer 1024))))
|
|
acc)))))
|
|
|
|
(define (similar-targets t1 t2)
|
|
(and (equal? (target-type t1)
|
|
(target-type t2))
|
|
(equal? (target-len t1)
|
|
(target-len t2))))
|
|
|
|
(define-syntax define-dm-scenario
|
|
(syntax-rules ()
|
|
((_ path desc b1 b2 ...)
|
|
(define-scenario path desc
|
|
(with-dm b1 b2 ...)))))
|
|
|
|
;;----------------
|
|
;; Thin utilities
|
|
;;----------------
|
|
(define-enumeration thin-pool-option
|
|
(skip-block-zeroing ignore-discard no-discard-passdown read-only error-if-no-space)
|
|
thin-pool-options)
|
|
|
|
;; Expands the above option set into a list of strings to be passed to the
|
|
;; target.
|
|
(define (expand-thin-options opts)
|
|
(define (expand-opt o)
|
|
(case o
|
|
((skip-block-zeroing) "skip_block_zeroing")
|
|
((ignore-discard) "ignore_discard")
|
|
((no-discard-passdown) "no_discard_passdown")
|
|
((read-only) "read_only")
|
|
((error-if-no-space) "error_if_no_space")))
|
|
(map expand-opt (enum-set->list opts)))
|
|
|
|
;; Builds a string of space separated args
|
|
(define (build-args-string . args)
|
|
(fmt #f (fmt-join dsp args (dsp " "))))
|
|
|
|
(define (pool-table md-dev data-dev block-size opts)
|
|
(let ((opts-str (expand-thin-options opts))
|
|
(data-size (get-dev-size (dm-device-path data-dev))))
|
|
(list
|
|
(make-target (to-sectors data-size) "thin-pool"
|
|
(apply build-args-string
|
|
(dm-device-path md-dev)
|
|
(dm-device-path data-dev)
|
|
(to-sectors block-size)
|
|
80 ;; low water mark
|
|
(length opts-str) opts-str)))))
|
|
|
|
(define (dd-cmd . args)
|
|
(build-command-line (cons "dd" args)))
|
|
|
|
;; FIXME: move somewhere else, and do IO in bigger blocks
|
|
(define zero-dev
|
|
(case-lambda
|
|
((dev)
|
|
(zero-dev dev
|
|
(get-dev-size
|
|
(dm-device-path dev))))
|
|
((dev size)
|
|
(run-ok (dd-cmd "if=/dev/zero"
|
|
"oflag=direct"
|
|
(string-append "of=" (dm-device-path dev))
|
|
"bs=512" (fmt #f "count=" (to-sectors size)))))))
|
|
|
|
;; The contents should be
|
|
(define (with-ini-file-fn section contents fn)
|
|
(define (expand-elt pair)
|
|
(cat (car pair) "=" (cadr pair) nl))
|
|
|
|
(let ((expanded-contents
|
|
(fmt #f
|
|
(cat "[" section "]" nl)
|
|
(apply-cat (map expand-elt contents)))))
|
|
(with-temp-file-containing ((v "fio" expanded-contents))
|
|
(fn v))))
|
|
|
|
(define-syntax with-ini-file
|
|
(syntax-rules ()
|
|
((_ (tmp section contents) b1 b2 ...)
|
|
(with-ini-file-fn section contents (lambda (tmp) b1 b2 ...)))))
|
|
|
|
(define (rand-write-and-verify dev)
|
|
(with-ini-file (fio-input "write-and-verify"
|
|
`(("rw" "randwrite")
|
|
("bs" "4k")
|
|
("direct" 1)
|
|
("ioengine" "libaio")
|
|
("iodepth" 16)
|
|
("verify" "crc32c")
|
|
("filename" ,(dm-device-path dev))))
|
|
(run-ok (fmt #f "fio " fio-input))))
|
|
|
|
(define generate-dev-name
|
|
(let ((nr 0))
|
|
(lambda ()
|
|
(let ((name (fmt #f "test-dev-" nr)))
|
|
(set! nr (+ nr 1))
|
|
name))))
|
|
|
|
(define (with-pool-fn md-table data-table block-size opts fn)
|
|
(with-devices ((md (generate-dev-name) "" md-table)
|
|
(data (generate-dev-name) "" data-table))
|
|
(zero-dev md (kilo 4))
|
|
(let ((ptable (pool-table md data block-size opts)))
|
|
(with-device (pool (generate-dev-name) "" ptable)
|
|
(fn pool)))))
|
|
|
|
(define-syntax with-pool
|
|
(syntax-rules ()
|
|
((_ (pool md-table data-table block-size) b1 b2 ...)
|
|
(with-pool-fn md-table
|
|
data-table
|
|
block-size
|
|
(thin-pool-options)
|
|
(lambda (pool) b1 b2 ...)))
|
|
((_ (pool md-table data-table block-size opts) b1 b2 ...)
|
|
(with-pool-fn md-table
|
|
data-table
|
|
block-size
|
|
opts
|
|
(lambda (pool) b1 b2 ...)))))
|
|
|
|
(define-syntax with-default-pool
|
|
(syntax-rules ()
|
|
((_ (pool) b1 b2 ...)
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(kilo 64))
|
|
b1 b2 ...))))
|
|
|
|
(define default-md-table
|
|
(case-lambda
|
|
(() (default-md-table (meg 32)))
|
|
((size) (list ((mk-fast-allocator) size)))))
|
|
|
|
(define default-data-table
|
|
(case-lambda
|
|
(() (default-data-table (gig 10)))
|
|
((size) (list ((mk-slow-allocator) size)))))
|
|
|
|
(define (thin-table pool id size)
|
|
(list
|
|
(make-target (to-sectors size) "thin" (build-args-string (dm-device-path pool) id))))
|
|
|
|
(define (create-thin pool id)
|
|
(message pool 0 (fmt #f "create_thin " id)))
|
|
|
|
(define (create-snap pool new-id origin-id)
|
|
(message pool 0 (fmt #f "create_snap " new-id " " origin-id)))
|
|
|
|
(define (delete-thin pool id)
|
|
(message pool 0 (fmt #f "delete " id)))
|
|
|
|
(define (with-thin-fn pool id size fn)
|
|
(with-device-fn (generate-dev-name) "" (thin-table pool id size) fn))
|
|
|
|
(define (with-new-thin-fn pool id size fn)
|
|
(create-thin pool id)
|
|
(with-thin-fn pool id size fn))
|
|
|
|
(define-syntax with-thin
|
|
(syntax-rules ()
|
|
((_ (thin pool id size) b1 b2 ...)
|
|
(with-thin-fn pool id size (lambda (thin) b1 b2 ...)))))
|
|
|
|
(define-syntax with-new-thin
|
|
(syntax-rules ()
|
|
((_ (thin pool id size) b1 b2 ...)
|
|
(with-new-thin-fn pool id size (lambda (thin)
|
|
b1 b2 ...)))))
|
|
|
|
;;;-----------------------------------------------------------
|
|
;;; Pool status
|
|
;;;-----------------------------------------------------------
|
|
(define-record-type pool-status
|
|
(fields (mutable transaction-id)
|
|
(mutable used-metadata)
|
|
(mutable total-metadata)
|
|
(mutable used-data)
|
|
(mutable total-data)
|
|
(mutable held-root) ; (bool . root?)
|
|
(mutable needs-check) ; bool
|
|
(mutable discard) ; bool
|
|
(mutable discard-passdown) ; bool
|
|
(mutable block-zeroing) ; bool
|
|
(mutable io-mode) ; 'out-of-data-space, 'ro, 'rw
|
|
(mutable no-space-behaviour) ; 'error, 'queue
|
|
(mutable fail) ; bool
|
|
))
|
|
|
|
(define (default-pool-status)
|
|
(make-pool-status 0 ; trans id
|
|
0 ; used md
|
|
0 ; total md
|
|
0 ; used data
|
|
0 ; total data
|
|
(cons #f 0) ; held root
|
|
#f ; need check
|
|
#t ; discard
|
|
#t ; discard passdown
|
|
#t ; block zeroing
|
|
'rw ; io-mode
|
|
'queue ; no space behaviour
|
|
#f ; fail
|
|
))
|
|
|
|
(define (fmt-pool-status status)
|
|
(if (pool-status-fail status)
|
|
"pool failed"
|
|
(cat "transaction-id: " (pool-status-transaction-id status) ", "
|
|
(pool-status-used-metadata status) "/" (pool-status-total-metadata status) " metadata, "
|
|
(pool-status-used-data status) "/" (pool-status-total-data status) " data, "
|
|
(let ((hr (pool-status-held-root status)))
|
|
(if (car hr)
|
|
(cat "held root: " (cdr hr) ", ")
|
|
""))
|
|
(if (pool-status-needs-check status) "needs-check, " "")
|
|
(if (pool-status-discard status) "discard, " "")
|
|
(if (pool-status-discard-passdown status) "discard-passdown, " "")
|
|
(if (pool-status-block-zeroing status) "block-zero, " "")
|
|
"io-mode: " (pool-status-io-mode status) ", "
|
|
"no-space-behaviour: " (pool-status-no-space-behaviour status))))
|
|
|
|
(define digit (p:charset "0123456789"))
|
|
|
|
(define number
|
|
(p:lift (lambda (cs)
|
|
(string->number
|
|
(apply string cs)))
|
|
(p:many+ digit)))
|
|
|
|
(define held-root
|
|
(p:alt
|
|
(p:>> (p:lit "-")
|
|
(p:pure (cons #f 0)))
|
|
(p:parse-m (p:<- root number)
|
|
(p:pure (cons #t root)))))
|
|
|
|
(define space
|
|
(p:many+ (p:charset " \t")))
|
|
|
|
(define slash
|
|
(p:lit "/"))
|
|
|
|
;; The options parser returns a function that mutates the status.
|
|
(define-syntax opt-mut
|
|
(syntax-rules ()
|
|
((_ (status txt) b1 b2 ...)
|
|
(p:>> (p:lit txt)
|
|
(p:pure (lambda (status) b1 b2 ...))))))
|
|
|
|
(define pool-option
|
|
(p:one-of
|
|
(opt-mut (status "skip_block_zeroing")
|
|
(pool-status-block-zeroing-set! status #f))
|
|
|
|
(opt-mut (status "ignore_discard")
|
|
(pool-status-discard-set! status #f))
|
|
|
|
(opt-mut (status "no_discard_passdown")
|
|
(pool-status-discard-passdown-set! status #f))
|
|
|
|
(opt-mut (status "discard_passdown")
|
|
(pool-status-discard-passdown-set! status #t))
|
|
|
|
(opt-mut (status "out_of_data_space")
|
|
(pool-status-io-mode-set! status 'out-of-data-space))
|
|
|
|
(opt-mut (status "ro")
|
|
(pool-status-io-mode-set! status 'ro))
|
|
|
|
(opt-mut (status "rw")
|
|
(pool-status-io-mode-set! status 'rw))
|
|
|
|
(opt-mut (status "error_if_no_space")
|
|
(pool-status-no-space-behaviour-set! status 'error))
|
|
|
|
(opt-mut (status "queue_if_no_space")
|
|
(pool-status-no-space-behaviour-set! status 'queue))))
|
|
|
|
(define needs-check
|
|
(p:one-of
|
|
(p:>> (p:lit "needs_check")
|
|
(p:pure #t))
|
|
(p:pure #f)))
|
|
|
|
(define parse-pool-status
|
|
(p:parse-m (p:<- transaction-id number)
|
|
space
|
|
(p:<- used-metadata number)
|
|
slash
|
|
(p:<- total-metadata number)
|
|
space
|
|
(p:<- used-data number)
|
|
slash
|
|
(p:<- total-data number)
|
|
space
|
|
(p:<- metadata-snap held-root)
|
|
space
|
|
(p:<- options (p:many* (p:<* pool-option space)))
|
|
(p:<- check needs-check)
|
|
|
|
(let ((status (default-pool-status)))
|
|
(pool-status-transaction-id-set! status transaction-id)
|
|
(pool-status-used-metadata-set! status used-metadata)
|
|
(pool-status-total-metadata-set! status total-metadata)
|
|
(pool-status-used-data-set! status used-data)
|
|
(pool-status-total-data-set! status total-data)
|
|
(pool-status-held-root-set! status metadata-snap)
|
|
(pool-status-needs-check-set! status check)
|
|
(for-each (lambda (mut) (mut status)) options)
|
|
(p:pure status))))
|
|
|
|
(define (get-pool-status pool)
|
|
(p:parse-value parse-pool-status
|
|
(target-args (car (get-status pool)))))
|
|
|
|
;; FIXME: we could get the block size by querying the pool table
|
|
(define (assert-pool-used-data pool block-size expected-size)
|
|
(let ((status (get-pool-status pool)))
|
|
(assert-equal (pool-status-used-data status)
|
|
(/ (to-sectors expected-size)
|
|
(to-sectors block-size)))))
|
|
|
|
;;;-----------------------------------------------------------
|
|
;;; Fundamental dm scenarios
|
|
;;;-----------------------------------------------------------
|
|
(define-scenario (dm create-interface)
|
|
"create and destroy an ioctl interface object"
|
|
(with-dm #t))
|
|
|
|
(define-scenario (dm create-device)
|
|
"create and destroy a device"
|
|
(with-dm
|
|
(with-empty-device (dev "foo" "uuidd")
|
|
#t)))
|
|
|
|
(define-scenario (dm duplicate-name-fails)
|
|
"You can't create two devices with the same name"
|
|
(with-dm
|
|
(with-empty-device (dev1 "foo" "uuid1")
|
|
(assert-raises
|
|
(with-empty-device (dev2 "foo" "uuid2") #t)))))
|
|
|
|
(define-scenario (dm duplicate-uuid-fails)
|
|
"You can't create two devices with the same uuid"
|
|
(with-dm
|
|
(with-empty-device (dev1 "foo" "uuid")
|
|
(assert-raises
|
|
(with-empty-device (dev2 "bar" "uuid") #t)))))
|
|
|
|
(define-scenario (dm load-single-target)
|
|
"You can load a single target table"
|
|
(with-dm
|
|
(with-empty-device (dev "foo" "uuid")
|
|
;; FIXME: export contructor for linear targets
|
|
(load-table dev (list (linear (make-segment fast-dev 0 102400)))))))
|
|
|
|
(define-dm-scenario (dm load-many-targets)
|
|
"You can load a large target table"
|
|
(with-empty-device (dev "foo" "uuid")
|
|
(load-table dev (linear-table (mk-fast-allocator) 32))))
|
|
|
|
(define-dm-scenario (dm resume-works)
|
|
"You can resume a new target with a table"
|
|
(with-empty-device (dev "foo" "uuid")
|
|
(load-table dev (linear-table (mk-fast-allocator) 8))
|
|
(resume-device dev)))
|
|
|
|
(define-dm-scenario (dm suspend-resume-cycle)
|
|
"You can pause a device."
|
|
(with-device (dev "foo" "uuid" (linear-table (mk-fast-allocator) 8))
|
|
(suspend-device dev)
|
|
(resume-device dev)))
|
|
|
|
(define-dm-scenario (dm reload-table)
|
|
"You can reload a table"
|
|
(let ((pv (mk-fast-allocator)))
|
|
(with-device (dev "foo" "uuid" (linear-table pv 16))
|
|
(pause-device dev
|
|
(load-table dev (linear-table pv 8))))))
|
|
|
|
(define-dm-scenario (dm list-devices)
|
|
"list-devices works"
|
|
(let ((pv (mk-fast-allocator)))
|
|
(with-devices ((dev1 "foo" "uuid" (linear-table pv 4))
|
|
(dev2 "bar" "uuid2" (linear-table pv 4)))
|
|
(let ((names (map dm-device-name (list-devices))))
|
|
(assert-member? "foo" names)
|
|
(assert-member? "bar" names)))))
|
|
|
|
(define-dm-scenario (dm get-status)
|
|
"get-status works"
|
|
(let ((table (linear-table (mk-fast-allocator) 4)))
|
|
(with-device (dev "foo" "uuid" table)
|
|
(let ((status (get-status dev)))
|
|
(assert-every similar-targets table status)))))
|
|
|
|
(define-dm-scenario (dm get-table)
|
|
"get-table works"
|
|
(let ((table (linear-table (mk-fast-allocator) 4)))
|
|
(with-device (dev "foo" "uuid" table)
|
|
(let ((table-out (get-table dev)))
|
|
(assert-every similar-targets table table-out)))))
|
|
|
|
;;;-----------------------------------------------------------
|
|
;;; Thin scenarios
|
|
;;;-----------------------------------------------------------
|
|
;; FIXME: I think these 3 can go
|
|
(define-dm-scenario (thin misc create-pool)
|
|
"create a pool"
|
|
(with-default-pool (pool)
|
|
#t))
|
|
|
|
(define-dm-scenario (thin misc create-thin)
|
|
"create a thin volume larger than the pool"
|
|
(with-default-pool (pool)
|
|
(with-new-thin (thin pool 0 (gig 100))
|
|
#t)))
|
|
|
|
(define-dm-scenario (thin misc zero-thin)
|
|
"zero a 1 gig thin device"
|
|
(with-default-pool (pool)
|
|
(let ((thin-size (gig 1)))
|
|
(with-new-thin (thin pool 0 thin-size)
|
|
(zero-dev thin thin-size)))))
|
|
|
|
;;;-----------------------------------------------------------
|
|
;;; Thin creation scenarios
|
|
;;;-----------------------------------------------------------
|
|
(define-dm-scenario (thin create lots-of-thins)
|
|
"create lots of empty thin volumes"
|
|
(with-default-pool (pool)
|
|
(upto (n 1000) (create-thin pool n))))
|
|
|
|
(define-dm-scenario (thin create lots-of-snaps)
|
|
"create lots of snapshots of a single volume"
|
|
(with-default-pool (pool)
|
|
(create-thin pool 0)
|
|
(upto (n 999)
|
|
(create-snap pool (+ n 1) 0))))
|
|
|
|
(define-dm-scenario (thin create lots-of-recursive-snaps)
|
|
"create lots of recursive snapshots"
|
|
(with-default-pool (pool)
|
|
(create-thin pool 0)
|
|
(upto (n 999)
|
|
(create-snap pool (+ n 1) n))))
|
|
|
|
(define-dm-scenario (thin create activate-thin-while-pool-suspended-fails)
|
|
"you can't activate a thin device while the pool is suspended"
|
|
(with-default-pool (pool)
|
|
(create-thin pool 0)
|
|
(pause-device pool
|
|
(assert-raises
|
|
(with-thin (thin pool 0 (gig 1))
|
|
#t)))))
|
|
|
|
(define-dm-scenario (thin create huge-block-size)
|
|
"huge block sizes are possible"
|
|
(let ((size (sectors 524288)))
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table size)
|
|
(kilo 64))
|
|
(with-new-thin (thin pool 0 size)
|
|
(rand-write-and-verify thin)))))
|
|
|
|
(define-dm-scenario (thin create bs-multiple-of-64k-good)
|
|
"The block size must be a multiple of 64k - good examples"
|
|
(for-each (lambda (bs)
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(kilo bs))
|
|
#t))
|
|
'(64 128 192 512 1024)))
|
|
|
|
(define-dm-scenario (thin create bs-multiple-of-64k-bad)
|
|
"The block size must be a multiple of 64k - bad examples"
|
|
(for-each (lambda (bs)
|
|
(assert-raises
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(kilo bs))
|
|
#t)))
|
|
'(65 96)))
|
|
|
|
(define-dm-scenario (thin create tiny-block-size-fails)
|
|
"The block size must be at least 64k"
|
|
(assert-raises
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(kilo 32))
|
|
#t)))
|
|
|
|
(define-dm-scenario (thin create too-large-block-size-fails)
|
|
"The block size must be less than 2^21 sectors"
|
|
(assert-raises
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(sectors (expt 2 22)))
|
|
#t)))
|
|
|
|
(define-dm-scenario (thin create largest-block-size-succeeds)
|
|
"The block size 2^21 sectors should work"
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (gig 10))
|
|
(sectors (expt 2 21)))
|
|
#t))
|
|
|
|
(define-dm-scenario (thin create too-large-thin-dev-fails)
|
|
"The thin-id must be less 2^24"
|
|
(with-default-pool (pool)
|
|
(assert-raises
|
|
(create-thin pool (expt 2 24)))))
|
|
|
|
(define-dm-scenario (thin create largest-thin-dev-succeeds)
|
|
"The thin-id must be less 2^24"
|
|
(with-default-pool (pool)
|
|
(create-thin pool (- (expt 2 24) 1))))
|
|
|
|
(define-dm-scenario (thin create too-small-metadata-fails)
|
|
"16k metadata is way too small"
|
|
(assert-raises
|
|
(with-pool (pool (list ((mk-fast-allocator) (kilo 16)))
|
|
(default-data-table (gig 10))
|
|
(kilo 64))
|
|
#t)))
|
|
|
|
;; Chasing a bug in btree_split_beneath(). This triggers when a value
|
|
;; smaller than the rest of the tree is inserted and the
|
|
;; btree_split_beneath() path is taken. The newly inserted key will not be
|
|
;; present. Once another low key is inserted that doesn't take the split
|
|
;; beneath path the missing value reappears.
|
|
(define-dm-scenario (thin create devices-in-reverse-order)
|
|
"Keep adding a key that's lower than any in the tree."
|
|
(with-default-pool (pool)
|
|
(from-to (n 300 0 -1)
|
|
(create-thin pool n)
|
|
(with-thin (thin pool n (gig 1)) #t)))) ; activate to check it's there
|
|
|
|
;;;-----------------------------------------------------------
|
|
;;; Thin deletion scenarios
|
|
;;;-----------------------------------------------------------
|
|
(define-dm-scenario (thin delete create-delete-cycle)
|
|
"Create and delete a thin 1000 times"
|
|
(with-default-pool (pool)
|
|
(upto (n 1000)
|
|
(create-thin pool 0)
|
|
(delete-thin pool 0))))
|
|
|
|
(define-dm-scenario (thin delete create-delete-many)
|
|
"Create and delete 1000 thins"
|
|
(with-default-pool (pool)
|
|
(upto (n 1000)
|
|
(create-thin pool n))
|
|
(upto (n 1000)
|
|
(delete-thin pool n))))
|
|
|
|
(define-dm-scenario (thin delete rolling-create-delete)
|
|
"Create and delete 1000 thins"
|
|
(with-default-pool (pool)
|
|
(upto (n 1000)
|
|
(create-thin pool n))
|
|
(upto (n 1000)
|
|
(delete-thin pool n)
|
|
(create-thin pool n))))
|
|
|
|
(define-dm-scenario (thin delete unknown-id)
|
|
"Fails if the thin id is unknown"
|
|
(with-default-pool (pool)
|
|
(upto (n 100)
|
|
(create-thin pool (* n 100)))
|
|
(assert-raises
|
|
(delete-thin pool 57))))
|
|
|
|
(define-dm-scenario (thin delete active-device-fails)
|
|
"You can't delete an active device"
|
|
(with-default-pool (pool)
|
|
(with-new-thin (thin pool 0 (gig 1))
|
|
(assert-raises
|
|
(delete-thin pool 0)))))
|
|
|
|
(define-dm-scenario (thin delete recover-space)
|
|
"Deleting a thin recovers data space"
|
|
(let ((thin-size (gig 1)))
|
|
(with-default-pool (pool)
|
|
(with-new-thin (thin pool 0 thin-size)
|
|
(assert-pool-used-data pool (kilo 64) (sectors 0))
|
|
(zero-dev thin))
|
|
(assert-pool-used-data pool (kilo 64) thin-size)
|
|
(delete-thin pool 0)
|
|
(assert-pool-used-data pool (kilo 64) (sectors 0)))))
|
|
|
|
(define-dm-scenario (thin delete after-no-space)
|
|
"You can delete after the pool has run out of data space"
|
|
(with-pool (pool (default-md-table)
|
|
(default-data-table (meg 128))
|
|
(kilo 64)
|
|
(thin-pool-options error-if-no-space skip-block-zeroing))
|
|
(with-new-thin (thin pool 0 (gig 1))
|
|
;;(assert-raises (zero-dev thin)))
|
|
(zero-dev thin))
|
|
(fmt #t (fmt-pool-status (get-pool-status pool)))
|
|
(assert-pool-used-data pool (kilo 64) (meg 128))
|
|
(delete-thin pool 0)
|
|
(assert-pool-used-data pool (kilo 64) (sectors 0))))
|
|
)
|
|
|