In data lunedì 14 gennaio 2019 10:20:13 CET, stakanov ha scritto:
cat /proc/mdstat Personalities : [raid1] md127 : active raid1 sdc1[2] sdb1[0] 976760640 blocks super 1.0 [2/2] [UU] bitmap: 2/8 pages [8KB], 65536KB chunk
unused devices: <none>
Is this a correctly working raid? I would say yes. UU should show it is working as expecte. But I do not understand sdc1(2) and sdb1(0). Could somebody shed some light on how to read this output correctly? What does (2) and the (0) stand for? So I continue to read all over that the status md127 shows a degraded raid. And both discs are in use. So I do not understand a) which disk is broken / compromised / needs to rebuild. b) how to check why this actually happened. I did look in journalctl and dmsg but did not find an error message (so probably I do not know for what to look). c) how to rebuild it without making further damage.
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