Description:
ZFS on Linux development list.
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Failed build dependencies
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Can anyone explain the idiomatic way in which you folks use the META file and specifically the ZFS_META_RELEASE variable? My understanding is that if you are building in a git repo SPL_META_RELEASE and ZFS_META_RELEASE are looked up from the current git repo, and later during build time spl is match to zfs. If this match fails you get an error... more »
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HowTo load debug symbols?
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Hello All: I am try to load the zfs.ko module for debugging and getting the following results: (gdb) add-symbol-file /lib/modules/3.5.0-23-generic/ extra/zfs/zfs/zfs.ko 0xffffffffa0129000 \ -s .data 0xffffffffa020d000 -s .bss 0xffffffffa0211400 add symbol table from file "/lib/modules/3.5.0-23-generic /extra/zfs/zfs/zfs.ko" at... more »
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cannot delete zvol on Ubuntu w/ 3.8 kernel [ZoL 0.6.1-1~precise]
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I'm experimenting with ZoL 0.6.1-1~precise on Ubuntu 12.04 with a 3.8 kernel and am having some trouble with zvol create/destroy. I'm able to create zvols but if I try to delete it just after I've created it I get a 'dataset is busy' error: ...cannot remove device links for 'qs-b6759a7e-99ff-8b77-aba9-6f 6b29bdf0d5/volume2': Device or resource busy:... more »
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msync problem
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Dear devs,
I still have problm with ZoL and msync().
I modified the old msync.c test code to fill the whole file with 0xff. Attached it.
My first strange result is, on my system, filling an 50M file takes longer, than filling a 100M one:
~$ rm test
~$ truncate -s 50M test
~$ strace -tT ./msync ./test... more »
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Most recent grub patches?
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Hi. I was wondering if there were any more recent grub zfs patches than those in either grub 2.00, latest grub bazaar or [link] ? I was trying to see if I could migrate my system to a ZFS root, but grub-probe is only finding 2 of the 4 label blocks (the other two have zero'd out nvlist headers).... more »
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High vmalloc usage
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Hello,
We are running a website on a host with zfs, and we are seeing the
MemFree getting low, while Buffers and Cached are low too, thus making
monitoring tools shout!
It happens that it's the VmallocUsed number which is getting high, and
using
sync && echo 3 > /proc/sys/vm/drop_caches... more »
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kvm cache=none support
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Has anyone run into this with running KVM virtual machines natively on ZFS? Currently machines require that the setting is set to cache=writeback to work on ZFS. Migration restrictions ============================ Because device assignment uses hardware on the specific host where the guest was started, migration and save/restore are not supported when device... more »
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Adding disks to existing vdevs
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Now, we would all love to have the BP-rewrite feature talked about in 2008. But I know BPR would be beyond my ability, and nothing has happened on this front ever since. I would guess though that the feature that most people [citation needed] want is the ability to add a device to an existing vdev.... more »
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Porting ZFS to additional architectures
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Dear Everyone,
Does anyone have root access to Linux systems on any of the following
architectures that is willing to help ZFS development?
Alpha
HPPA
IA-64
MIPS/MIPS64
PPC/PPC64
SH
SPARC/SPARC64
I want to port ZFSOnLinux to all Gentoo Linux architectures this year.
The above architectures either are not currently supported or have not... more »
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Is the RAIDZ power of two rule bogus?
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On Thu, Jan 31, 2013 at 11:58 AM, Ryan Castellucci
...
Okay, fair observation. If posting decent benchmarks is easy, then
why hasn't somebody already done so? And whose time is wasted if the
data isn't available? This issue overlaps with the recurring
discussions about failure rates and what constitutes the best hardware... more »
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