Defining multiple 2nd level caches does not work
Posted: Wed Feb 09, 2011 11:54 am
Hi!
I've just tried to use FC for volumes. I have three volumes on that machine (C:, D; and SSD F:). The config was as follows:
C:
1st Level Cache: 1024 MB RAM, R/W, 4KB Blocks
2nd Level Cache: 8192 MB on SSD F:
D:
1st Level Cache: 2048 MB RAM, R/W, 4KB Blocks
2nd Level Cache: 16384 MB on SSD F:
I can clearly start and stop the two caches independently, but there is only one "fancycache.sys" file on the SSD.
Either the second one activated is not being created at all (when I first created C: with 8192 MB cache, the file was just that small) or it may try to use the cache file for BOTH volumes?
I would not want to give this a real shot, as this might result in total system corruption in worsed case.
However, it should be possible to use one SSD as host for multiple individual 2nd Level cache files. So my suggestion would be to give them individual names like "fancycache_c.sys" and "fancycache_d.sys" as example.
Regards,
Axel
I've just tried to use FC for volumes. I have three volumes on that machine (C:, D; and SSD F:). The config was as follows:
C:
1st Level Cache: 1024 MB RAM, R/W, 4KB Blocks
2nd Level Cache: 8192 MB on SSD F:
D:
1st Level Cache: 2048 MB RAM, R/W, 4KB Blocks
2nd Level Cache: 16384 MB on SSD F:
I can clearly start and stop the two caches independently, but there is only one "fancycache.sys" file on the SSD.
Either the second one activated is not being created at all (when I first created C: with 8192 MB cache, the file was just that small) or it may try to use the cache file for BOTH volumes?
I would not want to give this a real shot, as this might result in total system corruption in worsed case.
However, it should be possible to use one SSD as host for multiple individual 2nd Level cache files. So my suggestion would be to give them individual names like "fancycache_c.sys" and "fancycache_d.sys" as example.
Regards,
Axel