Re: Question about resync in RAID5

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> > Is there any method to just resync WRITTEN data to new-added-disk ?
> > Or any developing plan to add this feature?
> 
> No, because md is a block device it has no knowledge of what data has
> actually been written to the disk or where it is stored. This means it
> has to rebuild the entire disk.
> 
> There are plans to improve this by keeping track of which stripes have
> been written to, which should help (and will also mean no need for an
> initial RAID sync). I don't know whether this has progressed beyond
> the idea stage yet though.

Interesting - do you have any docs about this? I haven't seen any talk on this list about it...

Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 98013356
roy@xxxxxxxxxxxxx
http://blogg.karlsbakk.net/
GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk.
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux