Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

On 31/05/2018 14:41, Simon Ironside wrote: > On 24/05/18 19:21, Lionel Bouton wrote: > >> Unfortunately I just learned that Supermicro found an incompatibility >> between this motherboard and SM863a SSDs (I don't have more information >> yet) and they proposed S4600 as an alternative. I

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

On 24/05/18 19:21, Lionel Bouton wrote: Unfortunately I just learned that Supermicro found an incompatibility between this motherboard and SM863a SSDs (I don't have more information yet) and they proposed S4600 as an alternative. I immediately remembered that there were problems and asked for a

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

On 24/05/18 19:21, Lionel Bouton wrote: Has anyone successfully used Ceph with S4600 ? If so could you share if you used filestore or bluestore, which firmware was used and approximately how much data was written on the most used SSDs ? I have 4 new OSD nodes which have 480GB S4600s (Firmware

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

I have some bluestore DC S4500's in my 3 node home cluster. I haven't ever had any problems with it. I've used them with an EC cache tier, cephfs metadata, and VM RBDs. On Thu, May 24, 2018 at 2:21 PM Lionel Bouton wrote: > Hi, > > On 22/02/2018 23:32, Mike Lovell

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

Hi, On 22/02/2018 23:32, Mike Lovell wrote: > hrm. intel has, until a year ago, been very good with ssds. the > description of your experience definitely doesn't inspire confidence. > intel also dropping the entire s3xxx and p3xxx series last year before > having a viable replacement has been

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

Hi all, Thanks for all your follow ups on this. The Samsung SM863a is indeed a very good alternative, thanks! We ordered both (SM863a & DC S4600) so we can compare. Intel's response (I mean the lack of it) is not very promising. Allthough we have very good experiences with Intel DC SSD's we

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

adding ceph-users back on. it sounds like the enterprise samsungs and hitachis have been mentioned on the list as alternatives. i have 2 micron 5200 (pro i think) that i'm beginning testing on and have some micron 9100 nvme drives to use as journals. so the enterprise micron might be good. i did

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

turned the lot and ended up with 9/12 of the drives failing in the > same manner. The replaced drives, which had different serial number ranges, > also failed. Very frustrating is that the drives fail in a way that result > in unbootable servers, unless one adds ‘rootdelay=240’ to the ke

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

To: ceph-users@lists.ceph.com Subject: Re: [ceph-users] Many concurrent drive failures - How do I activate pgs? has anyone tried with the most recent firmwares from intel? i've had a number of s4600 960gb drives that have been waiting for me to get around to adding them to a ceph cluster

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

gt;>>> the same manner. The replaced drives, which had different serial number >>>>> ranges, also failed. Very frustrating is that the drives fail in a way >>>>> that >>>>> result in unbootable servers, unless one adds ‘rootdelay=240’ to the >

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

t; result in unbootable servers, unless one adds ‘rootdelay=240’ to the >>>> kernel. >>>> >>>> >>>> >>>> >>>> >>>> I would be interested to know what platform your drives were in and >>>> whether or not t

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

gt; >>> >>> >>> PS: After much searching we’ve decided to order the NVMe conversion kit >>> and have ordered HGST UltraStar SN200 2.5 inch SFF drives with a 3 DWPD >>> rating. >>> >>> >>> >>> >>> >

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

>> PS: After much searching we’ve decided to order the NVMe conversion kit >> and have ordered HGST UltraStar SN200 2.5 inch SFF drives with a 3 DWPD >> rating. >> >> >> >> >> >> Regards >> >> David Herselman >> >> >> >

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

ecovery]# df -h | grep -P 'ceph-(27|30|31|32|34)$' > /dev/sdd4 140G 5.2G 135G 4% /var/lib/ceph/osd/ceph-27 > /dev/sdd7 140G 14G 127G 10% /var/lib/ceph/osd/ceph-30 > /dev/sdd8 140G 14G 127G 10% /var/lib/ceph/osd/ceph-31 > /dev/sdd9 140G 22G 119G 1

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

2018 12:45 AM To: David Herselman <d...@syrex.co> Cc: Christian Balzer <ch...@gol.com>; ceph-users@lists.ceph.com Subject: Re: [ceph-users] Many concurrent drive failures - How do I activate pgs? Hi, I have a case where 3 out to 12 of these Intel S4600 2TB model failed within a ma

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

ceph-32 > /dev/sdd11 140G 22G 119G 16% /var/lib/ceph/osd/ceph-34 > > > How do I tell Ceph to read these object shards? > > > > PS: It's probably a good idea to reweight the OSDs to 0 before starting > again. This should prevent data flowing on to them, if they

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

0G 22G 119G 16% /var/lib/ceph/osd/ceph-32 > /dev/sdd11 140G 22G 119G 16% /var/lib/ceph/osd/ceph-34 > > >How do I tell Ceph to read these object shards? > > > >PS: It's probably a good idea to reweight the OSDs to 0 before starting >again. This should prevent d

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

d Herselman Sent: Thursday, 21 December 2017 3:49 AM To: 'Christian Balzer' <ch...@gol.com>; ceph-users@lists.ceph.com Subject: RE: [ceph-users] Many concurrent drive failures - How do I activate pgs? Hi Christian, Thanks for taking the time, I haven't been contacted by anyone y

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

Regards David Herselman -Original Message- From: Christian Balzer [mailto:ch...@gol.com] Sent: Thursday, 21 December 2017 3:24 AM To: ceph-users@lists.ceph.com Cc: David Herselman <d...@syrex.co> Subject: Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

ists.ceph.com Cc: David Herselman <d...@syrex.co> Subject: Re: [ceph-users] Many concurrent drive failures - How do I activate pgs? Hello, first off, I don't have anything to add to your conclusions of the current status, alas there are at least 2 folks here on the ML making a living from

Re: [ceph-users] Many concurrent drive failures - How do I activate pgs?

Hello, first off, I don't have anything to add to your conclusions of the current status, alas there are at least 2 folks here on the ML making a living from Ceph disaster recovery, so I hope you have been contacted already. Now once your data is safe or you have a moment, I and others here