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Re: OpenVZ 7 + mdadm slow rebuild [message #53537 is a reply to message #53536] Thu, 30 May 2019 11:04 Go to previous message
ccto is currently offline  ccto
Messages: 61
Registered: October 2005
Sorry, the problem shall be resolved.

It was caused by ext4lazyinit.

If I use -
mkfs.ext4 -E lazy_itable_init=0,lazy_journal_init=0 /dev/xxx/yyy
Then wait for mkfs.ext4 some time (a few minutes).
Not sure why ext4lazyinit runs over a hour, but still running...

Then, the mdadm rebuild performance looks normal even the /vz filesystem is mounted.
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