Thanks to Shaun and Chris.
Sorry I forgot to paste, I tried osd first, it didn’t work, so I tried ost, incase ost was the new name. [root@lustre-oss-server-nic0-1 ~]# lctl set_param osd-*.readcache_max_filesize=2M error: set_param: param_path 'osd-*/readcache_max_filesize': No such file or directory [root@lustre-oss-server-nic0-1 ~]# lctl set_param ost-*.readcache_max_filesize=2M error: set_param: param_path 'ost-*/readcache_max_filesize': No such file or directory [root@lustre-oss-server-nic0-1 ~]# So I have this, based on this, [root@lustre-oss-server-nic0-1 ~]# lctl list_param -R * | grep readcache_max_filesize osd-ldiskfs.lfsbv-OST0000.readcache_max_filesize osd-ldiskfs.lfsbv-OST0001.readcache_max_filesize osd-ldiskfs.lfsbv-OST0002.readcache_max_filesize osd-ldiskfs.lfsbv-OST0003.readcache_max_filesize osd-ldiskfs.lfsbv-OST0004.readcache_max_filesize osd-ldiskfs.lfsbv-OST0005.readcache_max_filesize osd-ldiskfs.lfsbv-OST0006.readcache_max_filesize osd-ldiskfs.lfsbv-OST0007.readcache_max_filesize osd-ldiskfs.lfsbv-OST0008.readcache_max_filesize osd-ldiskfs.lfsbv-OST0009.readcache_max_filesize [root@lustre-oss-server-nic0-1 ~]# So I did trial and error and found I need to do this: osd-ldiskfs.* instead of osd.* [root@lustre-oss-server-nic0-1 ~] lctl set_param osd-ldiskfs.*.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0000.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0001.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0002.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0003.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0004.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0005.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0006.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0007.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0008.readcache_max_filesize=2M osd-ldiskfs.lfsbv-OST0009.readcache_max_filesize=2M [root@lustre-oss-server-nic0-1 ~]# From: Chris Horn <[email protected]> Date: Thursday, August 8, 2019 at 11:11 AM To: Pinkesh Valdria <[email protected]>, Shaun Tancheff <[email protected]>, "[email protected]" <[email protected]> Subject: Re: [lustre-discuss] lctl set_param obdfilter.*.readcache_max_filesize=2M fails You have a typo in the command you ran. Shaun wrote > lctl set_param osd-*.readcache_max_filesize=2M but you have: > lctl set_param ost-*.readcache_max_filesize=2M ost->osd > Is there commands to see all the currently parameters using some get command lctl list_param -R * # lctl list_param -R * | grep readcache_max_filesize osd-ldiskfs.snx11922-OST0002.readcache_max_filesize osd-ldiskfs.snx11922-OST0003.readcache_max_filesize # Chris Horn From: lustre-discuss <[email protected]> on behalf of Pinkesh Valdria <[email protected]> Date: Thursday, August 8, 2019 at 11:57 AM To: Shaun Tancheff <[email protected]>, "[email protected]" <[email protected]> Subject: Re: [lustre-discuss] lctl set_param obdfilter.*.readcache_max_filesize=2M fails That also fails [root@lustre-oss-server-nic0-1 ~]# lctl set_param ost-*.readcache_max_filesize=2M error: set_param: param_path 'ost-*/readcache_max_filesize': No such file or directory [root@lustre-oss-server-nic0-1 ~]# Is there commands to see all the currently parameters using some get command From: Shaun Tancheff <[email protected]> Date: Thursday, August 8, 2019 at 9:50 AM To: Pinkesh Valdria <[email protected]>, "[email protected]" <[email protected]> Subject: Re: [lustre-discuss] lctl set_param obdfilter.*.readcache_max_filesize=2M fails I think the parameter has changed: 'obdfilter.*.readcache_max_filesize’ => 'osd-*.readcache_max_filesize' So try: lctl set_param osd-*.readcache_max_filesize=2M From: lustre-discuss <[email protected]> on behalf of Pinkesh Valdria <[email protected]> Date: Thursday, August 8, 2019 at 11:43 AM To: "[email protected]" <[email protected]> Subject: [lustre-discuss] lctl set_param obdfilter.*.readcache_max_filesize=2M fails
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