Hi all,
I’m not sure, if this is the correct mailing list to make a suggestion for a
new storage plugin (or an extension to the existing LVM-plugin).
I have nodes with 12 disks each creating the drbdpool volume group. This could
give me the opportunity to create LVMs in stripes to get a higher overall
throughput.
My very simple solution to get striped LVMs was to create a renamed copy of the
lvm storage plugin (lvm12s.py), and simply modify the lvm creation command to
self._cmd_create, "--stripes", "12", "--stripesize", "64",
"-n", lv_name, "-L", str(size) + "k",
instead of
self._cmd_create, "-n", lv_name, "-L", str(size) + "k",
and of course adding this to plugins.py and to the cluster config.
I would suggest to implement a flexible method to create such striped LVMs.
Best regards,
Frank
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