Lines Matching refs:disks
6 disks. The role of RAID disks isn't changed with the cache disk. The cache disk
7 caches data to the RAID disks. The cache can be in write-through (supported
28 disks and it's possible the writes don't hit all RAID disks yet before the
35 is safe on the cache disk, the data will be flushed onto RAID disks. The
40 filesystems) after the data is safe on RAID disks, so cache disk failure
52 write. If a write crosses all RAID disks of a stripe, we call it full-stripe
57 RAID disks only after the data becomes a full stripe write. This will
63 disks later after specific conditions met. So cache disk failure will cause
90 order in which MD writes data to cache disk and RAID disks. Specifically, in
92 parity to the log, writes the data and parity to RAID disks after the data and
94 from raid disks as usual.
98 memory cache. If some conditions are met, MD will flush the data to RAID disks.
100 is finished, MD will write both data and parity into RAID disks, then MD can
108 raid4/5 and 2 for raid6), MD will write the data and parities to RAID disks. If
110 they are discarded too. MD then loads valid data and writes them to RAID disks