From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Jes Sorensen <jes.sorensen@gmail.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
NeilBrown <neilb@suse.com>, Shaohua Li <shli@kernel.org>,
linux-raid@vger.kernel.org, neilb@suse.de
Subject: Re: RAID creation resync behaviors
Date: Wed, 10 May 2017 18:20:30 -0400 [thread overview]
Message-ID: <yq17f1onykx.fsf@oracle.com> (raw)
In-Reply-To: <f4485279-2146-5134-d292-d1566e465a38@suse.de> (Hannes Reinecke's message of "Wed, 10 May 2017 07:58:45 +0200")
Hannes,
>> It doesn't help me obtain the information I need to make a decision in
>> mdadm as whether to overwrite all or compare+write when resyncing a RAID
>> array.
>>
> What you actually want is the COMPARE AND WRITE SCSI command
Actually, I think what Jes needs is a MISCOMPARE AND WRITE command :)
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2017-05-10 22:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-03 20:27 RAID creation resync behaviors Shaohua Li
2017-05-03 21:06 ` David Brown
2017-05-04 1:54 ` Shaohua Li
2017-05-04 7:37 ` David Brown
2017-05-04 16:02 ` Wols Lists
2017-05-04 21:57 ` NeilBrown
2017-05-05 6:46 ` David Brown
2017-05-04 15:50 ` Wols Lists
2017-05-04 22:00 ` NeilBrown
2017-05-03 23:58 ` Andreas Klauer
2017-05-04 2:22 ` Shaohua Li
2017-05-04 7:55 ` Andreas Klauer
2017-05-04 8:06 ` Roman Mamedov
2017-05-04 15:20 ` Brad Campbell
2017-05-04 1:07 ` NeilBrown
2017-05-04 2:04 ` Shaohua Li
2017-05-09 18:39 ` Jes Sorensen
2017-05-09 20:30 ` NeilBrown
2017-05-09 20:49 ` Jes Sorensen
2017-05-09 21:03 ` Martin K. Petersen
2017-05-09 21:11 ` Jes Sorensen
2017-05-09 21:16 ` Martin K. Petersen
2017-05-09 21:22 ` Jes Sorensen
2017-05-09 23:56 ` Martin K. Petersen
2017-05-10 5:58 ` Hannes Reinecke
2017-05-10 22:20 ` Martin K. Petersen [this message]
2017-05-10 17:30 ` Shaohua Li
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