Bug#776034: fsck runs in parallel on same physical disk

2015-02-13 Thread Ivan Baldo
Hello. This is my opinion FWIW: there should be two bugs not one. One wishlist bug for util-linux to implement -l for LVM and MD; if the kernel needs an interface to implement this, then report a wishlist bug for the Linux kernel to implement the required interface; so maybe one

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Phillip Susi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 1/26/2015 7:34 AM, Daniel Pocock wrote: The performance impact is not trivial. I have 28 LVs on my main /dev/md and 47 on an external disk that is used to replicate other filesystems. Both of these disks make a horrible thrashing sound

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Karel Zak
On Mon, Jan 26, 2015 at 10:36:02AM +0100, Daniel Pocock wrote: On 26/01/15 10:32, Karel Zak wrote: On Mon, Jan 26, 2015 at 02:24:04AM +0100, Michael Biebl wrote: -l Create an exclusive flock(2) lock file (/run/fsck/diskname.lock) for whole-disk device.

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Daniel Pocock
On 26/01/15 13:21, Karel Zak wrote: On Mon, Jan 26, 2015 at 10:36:02AM +0100, Daniel Pocock wrote: On 26/01/15 10:32, Karel Zak wrote: On Mon, Jan 26, 2015 at 02:24:04AM +0100, Michael Biebl wrote: -l Create an exclusive flock(2) lock file (/run/fsck/diskname.lock) for

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Daniel Pocock
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 26/01/15 14:51, Phillip Susi wrote: On 1/26/2015 7:34 AM, Daniel Pocock wrote: The performance impact is not trivial. I have 28 LVs on my main /dev/md and 47 on an external disk that is used to replicate other filesystems. Both of these

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Karel Zak
On Mon, Jan 26, 2015 at 02:24:04AM +0100, Michael Biebl wrote: -l Create an exclusive flock(2) lock file (/run/fsck/diskname.lock) for whole-disk device. This option can be used with one device only (this means that -A and -l are

Bug#776034: fsck runs in parallel on same physical disk

2015-01-26 Thread Daniel Pocock
On 26/01/15 10:32, Karel Zak wrote: On Mon, Jan 26, 2015 at 02:24:04AM +0100, Michael Biebl wrote: -l Create an exclusive flock(2) lock file (/run/fsck/diskname.lock) for whole-disk device. This option can be used with one device only (this means that -A

Bug#776034: fsck runs in parallel on same physical disk

2015-01-25 Thread Daniel Pocock
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 26/01/15 02:24, Michael Biebl wrote: control: reassign -1 util-linux control: retitle -1 fsck -l does not work for stacked devices (MD, DM) Am 26.01.2015 um 02:17 schrieb Michael Biebl: Might be, that util-linux's fsck -l does not

Bug#776034: fsck runs in parallel on same physical disk

2015-01-25 Thread Michael Biebl
control: reassign -1 util-linux control: retitle -1 fsck -l does not work for stacked devices (MD, DM) Am 26.01.2015 um 02:17 schrieb Michael Biebl: Might be, that util-linux's fsck -l does not properly deal with LVM on top of software RAID. CCed Karel, maybe he can comment on this. Oh

Bug#776034: fsck runs in parallel on same physical disk

2015-01-25 Thread Michael Biebl
control: severity -1 important Am 23.01.2015 um 07:44 schrieb Daniel Pocock: Package: systemd Version: 215-8 Severity: serious I have a server with many LVM logical volumes on top of the same RAID1 md device on two spindles. At boot, fsck appeared to be starting on many of the LVs

Bug#776034: fsck runs in parallel on same physical disk

2015-01-25 Thread Michael Biebl
Am 23.01.2015 um 23:18 schrieb Josh Triplett: On Fri, 23 Jan 2015 07:44:57 +0100 Daniel Pocock dan...@pocock.pro wrote: I have a server with many LVM logical volumes on top of the same RAID1 md device on two spindles. At boot, fsck appeared to be starting on many of the LVs simultaneously.

Bug#776034: fsck runs in parallel on same physical disk

2015-01-23 Thread Josh Triplett
On Fri, 23 Jan 2015 07:44:57 +0100 Daniel Pocock dan...@pocock.pro wrote: I have a server with many LVM logical volumes on top of the same RAID1 md device on two spindles. At boot, fsck appeared to be starting on many of the LVs simultaneously. There was a horrendous sound of disk head

Bug#776034: fsck runs in parallel on same physical disk

2015-01-22 Thread Daniel Pocock
Package: systemd Version: 215-8 Severity: serious I have a server with many LVM logical volumes on top of the same RAID1 md device on two spindles. At boot, fsck appeared to be starting on many of the LVs simultaneously. There was a horrendous sound of disk head movement from the server. This