I have only 3 hosts at present, and I tend to use EC pools because I don't have much budgets. The cluster is used for cold backup and it doesn't need high qos as well. <DHilsbos@xxxxxxxxxxxxxx> 于2020年6月26日周五 下午11:40写道： > As others have pointed out; setting the failure domain to OSD is dangerous > because then all 6 chunks for an object can end up on the same host. 6 > hosts really seems like the minimum to mess with EC pools. > > Adding a bucket type between host and osd seems like a good idea here, if > you absolutely must use EC pools. > > Perhaps something that corresponds to the HBAs / disk controllers? > > Thank you, > > Dominic L. Hilsbos, MBA > Director - Information Technology > Perform Air International, Inc. > DHilsbos@xxxxxxxxxxxxxx > www.PerformAir.com > > > > -----Original Message----- > From: Lindsay Mathieson [mailto:lindsay.mathieson@xxxxxxxxx] > Sent: Friday, June 26, 2020 4:08 AM > To: Zhenshi Zhou > Cc: ceph-users > Subject: Re: fault tolerant about erasure code pool > > On 26/06/2020 8:08 pm, Zhenshi Zhou wrote: > > Hi Lindsay, > > > > I have only 3 hosts, and is there any method to set a EC pool cluster > > in a better way > > There's failure domain by OSD, which Janne knows far better than I :) > > -- > Lindsay > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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