This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --H13U6aH9iV7Nmtcjmrx43WbJI6iXvVa1N Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Hi, do you mean during snapshot deletion or in general? In general we do not have any swap usage at all. On none of the 4 hosts. We had some swap I/O on the host that is SPM most of the time. But not during that period where we tried to delete the snapshot. Cheers, Stefan On 10/27/14 11:08, Markus Stockhausen wrote:
Do you see swapping on the SPM? If yes a regular echo 3 > drop_caches c= ould help. =20 Markus =20 Am 27.10.2014 10:57 schrieb Stefan Wendler <stefan.wendler@tngtech.com>= : Hi, =20 we have some really large snapshots left from a migration. Since our store is almost full now we have to delete them now. =20 Some snapshots are around 1TB already. =20 The last time we tried to delete a ~500GB snapshot the delete task blocked the whole diskstore's IO and the whole cluster and all hosts became unavailable. =20 Is there a way to delete large snapshots in a "humane" way that will no= t block everything? =20 Cheers, Stefan =20 =20
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