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4 January 2024
- 12:3712:37, 4 January 2024 diff hist +4,823 N Manual:SS System/Diskinfo Created page with " == Disks in zstoreage (default Head + JBOD mode) == $ lsblk --scsi -o name,model,serial == Head LOG and Cache Configuration == Head node has two M.2 NVMe disk. The default zstorage has been configured one for OS (Samsung 970 EVO Plus 1TB) the other for ZFS Cache/LOG using device (Intel Optane 1TB). The Intel Optane parted with four partitions as 25% (238.5GB) of 1TB and plan to use LOG for zssd and zsas as well as cache for zssd and zsas. nvme1n1 259:0 ..." Tag: Visual edit
- 12:2612:26, 4 January 2024 diff hist −194 Manual:SS System →Scope and license Tag: Visual edit
- 12:2012:20, 4 January 2024 diff hist +41,268 N Manual:SS System Created page with "== HPCMATE SS (Scalable Storage) System Manual == To provide scalable storage solution that can be tunable for various workload of storage, HPCMATE provides the best practice of ZFS environment storage system. This page describes how to apply pre-installed software and how to maintain the system. Like DLS system, all SS system based on HPCMATE system level optimized Ubuntu. == Type of SS system == Scalable storage system can be configured many combination. HPCMATE pr..." Tag: Visual edit
- 11:1111:11, 4 January 2024 diff hist +111 Systemd tips and tricks →How to permanently disable EEE (Energy Efficient Ethernet) on network card Tag: Visual edit
- 11:0511:05, 4 January 2024 diff hist +843 Systemd tips and tricks No edit summary Tag: Visual edit
3 January 2024
- 15:2615:26, 3 January 2024 diff hist −3 Storcli →Install storcli under Ubuntu Tag: Visual edit
- 15:2515:25, 3 January 2024 diff hist +95 Private:DLS tuning →DLS network tuning Tag: Visual edit
- 14:2614:26, 3 January 2024 diff hist +227 Private:DLS tuning →DLS ulimit tuning Tag: Visual edit
- 14:2414:24, 3 January 2024 diff hist +138 Private:DLS tuning →DLS network tuning Tag: Visual edit
- 14:2314:23, 3 January 2024 diff hist +948 Linux kernel parameter →net.core.somaxconn current Tag: Visual edit
- 14:1314:13, 3 January 2024 diff hist +1,003 N Private:DLS tuning Created page with " == DLS network tuning == https://enterprise-support.nvidia.com/s/article/linux-sysctl-tuning <syntaxhighlight lang="bash"> #Increase number of connection net.core.somaxconn=2048 #Disable the TCP timestamps option for better CPU utilization: net.ipv4.tcp_timestamps=0 #Increase the maximum length of processor input queues: net.core.netdev_max_backlog=250000 #Enable the TCP selective acks option for better throughput: net.ipv4.tcp_sack=1 #how much of the socket buffer..." Tag: Visual edit
- 13:0013:00, 3 January 2024 diff hist 0 Vmstat →References current Tag: Visual edit
- 12:5912:59, 3 January 2024 diff hist +1,359 Ulimit No edit summary current Tag: Visual edit
- 12:5412:54, 3 January 2024 diff hist +35 Linux kernel parameter →References Tag: Visual edit
- 12:5312:53, 3 January 2024 diff hist +44 Vmstat →References Tag: Visual edit
- 12:5112:51, 3 January 2024 diff hist +333 Linux kernel parameter No edit summary Tag: Visual edit
- 12:5012:50, 3 January 2024 diff hist +3,177 N Vmstat Created page with "The '''<code>vmstat</code>''' (virtual memory statistics) is a built-in monitoring utility in Linux. <ref>https://phoenixnap.com/kb/vmstat-command</ref> The command is used to obtain information about memory, system processes, paging, interrupts, block I/O, disk, and CPU scheduling. Users can observe system activity virtually in real-time by specifying a sampling period. == Output meaning == <syntaxhighlight lang="bash"> $ vmstat -n 1 procs -----------memory----------..." Tag: Visual edit
- 12:3712:37, 3 January 2024 diff hist +4 Network traffic →Network monitoring tools Tag: Visual edit
- 12:3612:36, 3 January 2024 diff hist +1,162 N Linux kernel parameter Created page with "== net.core.somaxconn == somaxconn is used to set the maximum number of connections that can be queued for a socket. This parameter is used to prevent a flood of connection requests from overwhelming the system. The maximum value for the <code>net.core.somaxconn</code> parameter depends on the system and kernel version. The default value for the <code>net.core.somaxconn</code> Linux kernel parameter is typically 128 and the maximum value is around 65535 on most systems..." Tag: Visual edit
- 12:2812:28, 3 January 2024 diff hist +31 N Kernel kernel param Admin moved page Kernel kernel param to Kernel boot param over redirect current Tag: New redirect
- 12:2812:28, 3 January 2024 diff hist 0 m Kernel boot param Admin moved page Kernel kernel param to Kernel boot param over redirect current
- 10:0210:02, 3 January 2024 diff hist +27 Storcli →Storcli Commands Summary[7] Tag: Visual edit
- 09:5209:52, 3 January 2024 diff hist +2,912 RDMA →Types of RDMA current Tag: Visual edit
- 09:3309:33, 3 January 2024 diff hist +21 N File:InfiniBand Vs. RoCEv2.png No edit summary current
- 09:1709:17, 3 January 2024 diff hist +2,301 RDMA No edit summary Tag: Visual edit
- 09:1109:11, 3 January 2024 diff hist +277 IOPS No edit summary current Tag: Visual edit
- 09:0109:01, 3 January 2024 diff hist +9 N File:RDMA FLOW.png No edit summary current
- 08:4808:48, 3 January 2024 diff hist +18 N Verify that RDMA is working Admin moved page Verify that RDMA is working to RDMA current Tag: New redirect
- 08:4808:48, 3 January 2024 diff hist 0 m RDMA Admin moved page Verify that RDMA is working to RDMA
- 08:4708:47, 3 January 2024 diff hist −25 RDMA →Verify that RDMA is working Tag: Visual edit
- 08:4208:42, 3 January 2024 diff hist +2,902 NFS →Setting Block Size to Optimize Transfer Speeds Tag: Visual edit
2 January 2024
- 17:0517:05, 2 January 2024 diff hist +1,416 Storcli →Hot spare drives Tag: Visual edit
- 14:3314:33, 2 January 2024 diff hist +5 Storcli →Setting the Write Policy in a Virtual Drive[5] Tag: Visual edit
- 14:2214:22, 2 January 2024 diff hist +39 NFS →Check exports list and options Tag: Visual edit
- 14:1814:18, 2 January 2024 diff hist −94 NFS →NFS Client mount options[5] Tag: Visual edit
- 13:5613:56, 2 January 2024 diff hist +58 NFS →Setting Block Size to Optimize Transfer Speeds Tag: Visual edit
- 13:5413:54, 2 January 2024 diff hist +38 NFS →NFS client mount examples Tag: Visual edit
- 13:4313:43, 2 January 2024 diff hist −1 NFS tips and tricks →Check nfs status current Tag: Visual edit
- 12:4312:43, 2 January 2024 diff hist +75 NFSv4 ACLs →Examples current Tag: Visual edit
- 12:4212:42, 2 January 2024 diff hist −16 NFSv4 ACLs →Commands Tag: Visual edit
- 12:4212:42, 2 January 2024 diff hist +5,438 N NFSv4 ACLs Created page with "NFSv4 ACLs (Access Control Lists) are mechanism to manipulate access controls on network-mounted filesystems to supplement traditional Unix permissions.<ref>https://www.osc.edu/book/export/html/4523</ref> == Commands == {| class="wikitable" |+ ! ! ! |- |<code>nfs4_setfacl</code> |to add, remove, or modify the <abbr>ACL</abbr> | * <code>-a</code> – to '''add''' the specified Access Control Entry (ACE - defined below). Basically, this adds a new rule. * <code>-x</code>..." Tag: Visual edit
- 12:2112:21, 2 January 2024 diff hist +633 Ubuntu tips and tricks →glibcxx_3.4.26 not found Tag: Visual edit
- 12:0112:01, 2 January 2024 diff hist +526 NFS →Basic command Tag: Visual edit
- 11:2311:23, 2 January 2024 diff hist +61 NFS →NFS Client mount options[4] Tag: Visual edit
- 11:2011:20, 2 January 2024 diff hist +469 NFS →Setting Block Size to Optimize Transfer Speeds Tag: Visual edit
- 11:0611:06, 2 January 2024 diff hist +86 NFS →Optimizing NFS Performance[6] Tag: Visual edit
- 10:4910:49, 2 January 2024 diff hist +266 NFS tips and tricks →nfsd: too many open connections, consider increasing the number of threads[1] Tag: Visual edit
- 10:4910:49, 2 January 2024 diff hist +718 NFS →Check exports list and options Tag: Visual edit
- 10:4910:49, 2 January 2024 diff hist +23 Mount vs bind mount No edit summary current
- 10:4810:48, 2 January 2024 diff hist +1,620 N Mount vs bind mount Created page with "In Linux systems, '''we can mount a device in a directory using the ''mount'' command'''. This allows us to access the device’s filesystem<syntaxhighlight lang="bash"> $ findmnt --real TARGET SOURCE FSTYPE OPTIONS / /dev/sda5 ext4 rw,relatime,errors=remount-ro ├─/sys/kernel/tracing tracefs tracefs rw,nosuid,nodev,noexec,relatime └─/boot/efi /dev/sda1 vfat rw,relatime,fmask=0077,dmask=0077,codepage=437,ioc..." Tag: Visual edit