22 Feb
1998
22 Feb
'98
2:12 a.m.
It would really be great if there was a snapshot deletion daemon that could delete the oldest standard (hourly, nightly, and weekly snapshots only) snapshot(s) when the snapshot usage goes above a certain number.
So, "snap" could do a "snap highwatermark" command or something like that in a similar manner to the "snap reserve" command.
Sounds like a trivial job for a little cron job with a couple of rsh commands. I'd probably trap it via snmp and then issue an rsh snap delete to remove the oldest snapshot. I suppose it could be useful if the Netapp had its own cron mechanism, although I'd rather see the NetApp kernel stay small and simple and let the NetApp do what it is good at.
-Rasmus