Re: OT: Current_Pending_Sector on /dev/sd?
- Date: Wed, 13 Feb 2019 09:20:17 -0500
- From: Dan Ritter <dsr@xxxxxxxxxxxxxxxx>
- Subject: Re: OT: Current_Pending_Sector on /dev/sd?
Alexander V. Makartsev wrote:
> On 13.02.2019 18:22, basti wrote:
> Most hardware RAID controllers perform automatic full surface scans to
> ensure data consistency (also could be called "patrol scans") and mark
> HDDs as "Expected to Fail Soon" to warn user.
> You have to backup your data regularly and in case of large RAID5/6
> level arrays you should have at least one Hot Spare drive available in
> your enclosure at all times.
> Precautions are almost the same for software RAID, but more difficult to
Not really more difficult: Debian's default mdadm configuration
includes a weekly run of checkarray.