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Under RHEL6/CentOS6 the default stack size must be increased to 32K
to prevent overflowing the stack when running ztest. This isn't an
issue for other distributions due to either the version of pthreads
or perhaps the compiler. Doubling the stack size resolves the
issue safely for all distribution and leaves us some headroom.
$ sudo -E ztest -V -T 300 -f /var/tmp/
5 vdevs, 7 datasets, 23 threads, 300 seconds...
loading space map for vdev 0 of 1, metaslab 0 of 30 ...
...
loading space map for vdev 0 of 1, metaslab 14 of 30 ...
child died with signal 11
Exited ztest with error 3
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #4215
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Correct some misspelled words and grammatical errors, and remove
trailing white space in the man pages.
Signed-off-by: Ned Bass <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #4115
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As part of the large block support effort, it makes sense to add
support for large blocks to **zpios(1)**. The specifying of a zfs
block size for zpios is optional and will default to 128K if the
block size is not specified.
`zpios ... -S size | --blocksize size ...`
This will use *size* ZFS blocks for each test, specified as a comma
delimited list with an optional unit suffix. The supported range is
powers of two from 128K through 16M. A range of block sizes can be
tested as follows: `-S 128K,256K,512K,1M`
Example run below
(non realistic results from a VM and output abbreviated for space)
```
--regioncount=750 --regionsize=8M --chunksize=1M --offset=4K
--threaddelay=0 --cleanup --human-readable --verbose --cleanup
--blocksize=128K,256K,512K,1M
th-cnt rg-cnt rg-sz ch-sz blksz wr-data wr-bw rd-data rd-bw
---------------------------------------------------------------------
4 750 8m 1m 128k 5g 90.06m 5g 93.37m
4 750 8m 1m 256k 5g 79.71m 5g 99.81m
4 750 8m 1m 512k 5g 42.20m 5g 93.14m
4 750 8m 1m 1m 5g 35.51m 5g 89.36m
8 750 8m 1m 128k 5g 85.49m 5g 90.81m
8 750 8m 1m 256k 5g 61.42m 5g 99.24m
8 750 8m 1m 512k 5g 49.09m 5g 108.78m
16 750 8m 1m 128k 5g 86.28m 5g 88.73m
16 750 8m 1m 256k 5g 64.34m 5g 93.47m
16 750 8m 1m 512k 5g 68.84m 5g 124.47m
16 750 8m 1m 1m 5g 53.97m 5g 97.20m
---------------------------------------------------------------------
```
Signed-off-by: Don Brady <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #3795
Closes #2071
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To aid in detecting and debugging stack overflow issues make the
user space stack limit configurable via a new ZFS_STACK_SIZE
environment variable. The value assigned to ZFS_STACK_SIZE will
be used as the default stack size in bytes.
Because this is mainly useful as a debugging aid in conjunction
with ztest the stack limit is disabled by default. See the ztest(1)
man page for additional details on using the ZFS_STACK_SIZE
environment variable.
Signed-off-by: Brian Behlendorf <[email protected]>
Signed-off-by: Ned Bass <[email protected]>
Closes #2743
Issue #2293
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In Debian GNU/Linux a program called 'linitian' is used to make sure
that packages conforms to the Debian GNU/Linux packaging guide lines.
This fixes the problem reported as:
W: zfsutils: manpage-has-bad-whatis-entry usr/share/man/man1/zhack.1.gz
W: zfsutils: manpage-has-bad-whatis-entry usr/share/man/man8/fsck.zfs.8.gz
Not something that ZoL needs to addhere to, but every other man page
have their NAME section in a special way - why not these two as well?
Signed-off-by: Turbo Fredriksson <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #2161
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Setting the 'dist_' prefix is the correct way to instruct Automake
to include these files in the distribution. The EXTRA_DIST variable
is reserved for files which are not covered by the automatic rules.
http://www.gnu.org/software/automake/manual/automake.html#Basics
Signed-off-by: Brian Behlendorf <[email protected]>
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Cstyle is the C source style checker used by Illumos. Since the
original ZFS source was written using these style guidelines they
must also be followed by ZoL for consistency.
The checker has been added to the scripts directory and may be
run on a per file basis. New patches should be careful to avoid
introducing new style warnings.
Additionally, the 'checkstyle' target has been added to the top
level Makefile and can be used to check the entire source tree.
While Zol has historically attempted to follow the SunOS style
guide the lack of a rigorous style checker has allowed various
warning to be introduced. Currently there are 2211 reported
style violations and we want to gradually eliminate these from
the tree.
Note the cstyle.1 man page is provided under man/man1/cstyle.1
but since it is a developer utility it is not installed along
with the other man pages.
Signed-off-by: Brian Behlendorf <[email protected]>
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The automake templates have been updated to install them,
and the existing packaging will automatically include them.
Signed-off-by: Brian Behlendorf <[email protected]>
Supplements #518
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And update the automake templates to install them.
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #518
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Create a nroff man page for ZoL from:
http://grml.org/online-docs/ztest.1.html
Which itself was derived from:
http://opensolaris.org/os/community/zfs/ztest/
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #518
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