Differences

This shows you the differences between two versions of the page.

--- en:hpc [2022/04/20 06:38] – [Login] grikiete
+++ en:hpc [2022/07/04 08:16] – [PST Partition] grikiete
@@ Line 66: / Line 66: @@
   * **For other users (non-members of the VU community)** - you must fill in the [[https://forms.office.com/Pages/ResponsePage.aspx?id=ghrFgo1UykO8-b9LfrHQEidLsh79nRJAvOP_wV9sgmdUMDE1QUo3Slo3UVYwTjM4TDMyTEdZT0tSNi4u|ITOAC service request form]] to get access to MIF HPC. After the confirmation of your request, you must come to VU MIF Didlaukio str. 47, Room 302/304 to receive your login credentials. Please arranged the exact time by phone + 370 5219 5005. With these credentials you are able to create an account in [[https://hpc.mif.vu.lt|Waldur portal]]. More details read [[waldur|here]].
-====== Login ======
+====== Connection ======
 You need to use SSH applications (ssh, putty, winscp, mobaxterm) and Kerberos or SSH key authentication to connect to **HPC**.
@@ Line 72: / Line 72: @@
 If **Kerberos** is used:
-  * Log in to the Linux environment in a VU MIF classroom or public terminal with your VU MIF username and password;
+  * Log in to the Linux environment in a VU MIF classroom or public terminal with your VU MIF username and password or login to **uosis.mif.vu.lt** with your VU MIF username and password using **ssh** or **putty**.
-  * or login to **uosis.mif.vu.lt** with your VU MIF username and password using ssh or putty.
   * Check if you have a valid Kerberos key (ticket) with the **klist** command. If the key is not available or has expired, the **kinit** command must be used.
   * Connect to the **hpc** node with the command **ssh hpc** (password must not be required).
-  * The **first time** you log in, you must wait **5 minutes** and then you can start to use HPC.
 If **SSH keys** are used (e.g. if you need to copy big files):
   * If you don't have SSH keys, you can find instructions on how to create them in a Windows environment **[[duk:ssh_key|here]]**
   *     Before you can use this method, you need to log in with Kerberos at least once. Then create a ''~/.ssh'' directory in the HPC file system and put your **ssh public key** (in OpenSSH format) into the ''~/.ssh/authorized_keys'' file.
-  *     Log in with **ssh**, **sftp**, **scp**, **putty**, **winscp** or any other **ssh** protocol supported software to **hpc.mif.vu.lt** with your **ssh private key**, specifying your VU MIF user name. It should not require a login password, but may require your ssh private key password.
+  *     Connect with **ssh**, **sftp**, **scp**, **putty**, **winscp** or any other **ssh** protocol supported software to **hpc.mif.vu.lt** with your **ssh private key**, specifying your VU MIF user name. It should not require a login password, but may require your ssh private key password.
+The **first time** you connect, you **will not** be able to run **SLURM jobs** for the first **5 minutes**. After that, SLURM account will be created.
+====== Lustre - Shared File System ======
+VU MIF HPC shared file system is available in the directory ''/scratch/lustre''.
+The system creates directory ''/scratch/lustre/home/username'' for each HPC user, where **username** is the HPC username.
+The files in this file system are equally accessible on all compute nodes and on the **hpc** node.
+Please use these directories only for their purpose and clean them up after calculations.
+====== HPC Partition ======
+^Partition ^Time limit ^RAM	   ^Notes|
+^main             ^7d            ^7000MB  ^CPU cluster|
+^gpu              ^48h           ^12000MB ^GPU cluster|
+^power            ^48h           ^2000MB  ^IBM Power9 cluster|
+The time limit for tasks is **2h** in all partitions if it has not been specified. The table shows the maximum time limit.
+The **RAM** column gives the amount of RAM allocated to each reserved **CPU** core.
-Pirmą kartą prisijungus jūs **negalėsite** paleisti **SLURM užduočių** per pirmąsias **5 minutes**. Po to jums bus automatiškai sukurtas **SLURM naudotojas** ir priskirti **resursų limitai**.