On 14-10-20 02:29 PM, Sam M wrote:
Hello,
I'm having issues with "Sparse Files" in Bacula. My data was being
backed up with no issues at all. Once I moved my data onto a NetApp
storage the size of the backup went up from 1.4 TB to 5 TB. I have
"Sparse = yes" added in "bacula-dir.conf" which it worked before the
move to NetAPP.
Any help would be much appreciated.
Since there is no Bacula client for NetApp, you are probably backing up
over a NFS or possibly a CIFS (??) network mount. Network mounts work
very well (i.e. very fast) on NetApp if you tune them correctly, but
network mounts are a 3rd class product compared to a directly mounted
drive. Basically they have a very primitive API, and in addition, I am
not even sure that NetApp has the concept of sparse files or if their
implement of sparse files (assuming they have one) corresponds to what
Unix/Linux has (i.e. a file with holes in it, which has similar 4096
blocking size).
Bottom line: if you have sparse files (somewhat unusual except for Linux
system files) use a regular Linux mount with a filesystem such as EXT4
that supports sparse files as Bacula expects.
Kern
Thanks,
Sam
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