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Avoid 0_0 while mirroring
Can someone explain to me, why i have to avoid mirroring over DPE or DAE-OS enclosure 0_0 ?
Thanks a lot...
Karl
Unsolved
This post is more than 5 years old
18 Posts
0
615
Can someone explain to me, why i have to avoid mirroring over DPE or DAE-OS enclosure 0_0 ?
Thanks a lot...
Karl
Top
Rainer_EMC
8.6K Posts
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July 24th, 2013 06:00
Because on a sudden power loss the disks in the DPE/DAE are kept up longer by the SPS to de-stage write cache to the vault
Roger_Wu
4K Posts
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July 24th, 2013 19:00
Disks 0_0 (DPE) have SPS protected, while 0_1, 0_2... (DAEs) haven't. The data would be inconsistent if there were a power outage.
KReinhard
18 Posts
0
July 25th, 2013 00:00
Ok, thanks a lot for your reply. Now i understand why...
Karl