[CentOS] 11TB ext4 filesystem - filesystem alternatives?
umask00 at gmail.com
Sat Sep 29 08:19:37 EDT 2012
Backend storage is 2 SATA directly attached disks. No any caches on
Both disks run in mdraid mirror.
Zeroed files have written many days (some files was written and closed
2 weeks ago) ago before power fail.
On Sat, Sep 29, 2012 at 12:19 AM, John R Pierce <pierce at hogranch.com> wrote:
> On 09/28/12 12:09 PM, Ilyas -- wrote:
>> One day our servers farm rebooted unexpectedly (power fail happened)
>> and on centos 6.3 with up2date kernel we lost few hundred files (which
>> probably was opened for reading, NOT writing) on XFS.
>> Unexpected power lost follow to situation when some files get a zero size.
> what sort of physical storage? are you sure it is write-safe ?
> write-back caches without battery backup are often a cause of data loss.
> john r pierce N 37, W 122
> santa cruz ca mid-left coast
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