Re: [CentOS] CentOS 8 LSI SAS2004 Driver

2020-09-19 Thread John Pierce
that chip should use the MPT2SAS driver, same as the more common SAS2008. a complication for both of those is they can be flashed to be either IT (initiator-terminator mode, a pure SAS HBA), or IR (integrated raid, a rather weak implementation of hardware raid).AFAIK, the MPT2 driver is for IT

Re: [CentOS] CentOS 8 LSI SAS2004 Driver

2020-09-19 Thread Akemi Yagi
On Sat, Sep 19, 2020 at 8:04 PM William Markuske wrote: > > Hello, > > I've recently been given domain over a number of supermicro storage > servers using Broadcom / LSI SAS2004 PCI-Express Fusion-MPT SAS-2 > [Spitfire] (rev 03) to run a bunch of SSDs. I was attempting to do fresh > installs of Ce

[CentOS] CentOS 8 LSI SAS2004 Driver

2020-09-19 Thread William Markuske
Hello, I've recently been given domain over a number of supermicro storage servers using Broadcom / LSI SAS2004 PCI-Express Fusion-MPT SAS-2 [Spitfire] (rev 03) to run a bunch of SSDs. I was attempting to do fresh installs of CentOS 8 and have come to find out that RedHat deprecated support for a

Re: [CentOS] Drive failed in 4-drive md RAID 10

2020-09-19 Thread Kenneth Porter
--On Friday, September 18, 2020 10:53 PM +0200 Simon Matter wrote: mdadm --remove /dev/md127 /dev/sdf1 and then the same with --add should hotremove and add dev device again. If it rebuilds fine it may again work for a long time. This worked like a charm. When I added it back, it told me i

Re: [CentOS] storage for mailserver

2020-09-19 Thread Phil Perry
On 19/09/2020 19:19, Chris Schanzle via CentOS wrote: On 9/17/20 4:25 PM, Phil Perry wrote: On 17/09/2020 13:35, Michael Schumacher wrote: Hello Phil, Wednesday, September 16, 2020, 7:40:24 PM, you wrote: PP> You can achieve this with a hybrid RAID1 by mixing SSDs and HDDs, and PP> marking t

Re: [CentOS] storage for mailserver

2020-09-19 Thread Gordon Messmer
On 9/16/20 10:40 AM, Phil Perry wrote: You can achieve this with a hybrid RAID1 by mixing SSDs and HDDs, and marking the HDD members as --write-mostly, meaning most of the reads will come from the faster SSDs retaining much of the speed advantage, but you have the redundancy of both SSDs and HD

Re: [CentOS] storage for mailserver

2020-09-19 Thread Chris Schanzle via CentOS
On 9/17/20 4:25 PM, Phil Perry wrote: > On 17/09/2020 13:35, Michael Schumacher wrote: >> Hello Phil, >> >> Wednesday, September 16, 2020, 7:40:24 PM, you wrote: >> >> PP> You can achieve this with a hybrid RAID1 by mixing SSDs and HDDs, and >> PP> marking the HDD members as --write-mostly, meanin