1. "My jobs on Talapas are crashing immediately, what's wrong??"
By default, users are assigned one core at a time, and a chunk of memory (~4GB RAM) associated with that core. For many applications, this may not be enough memory. To get around this, one can reserve more cores:
[user@ln1 ~]$ srun -n28 --pty bash
This will reserve all 28 cores on a basic node, which should suffice for most applications. Alternatively, if you just want to reserve more memory, do:
[user@ln1 ~]$ srun --mem=50G --pty bash
This will reserve 1 core but 50GB RAM on a node. It may be useful to try reserving a full node and determine how much RAM is needed for your application, then future jobs can be adjusted accordingly.
2. "How do I view my disk usage and quota?"
You can now view your disk usage and your current quota using the "quota" command, located in /usr/local/bin. The first lines give your usage and quota, and additional lines give group usages and quotas for all the groups that you are a member of.
3. "Oops! I just accidentally deleted some of my files and directories. Can you please recover them?
You just might be in luck. Talapas does not currently have backups, but it does take regular filesystem snapshots. These are located in /gpfs/.snapshots/ and are taken at the following times:
end of each day (before midnight, Sunday through Friday): daily-{Sun-Fri}
end of each week (before midnight on Saturday): weekly-{week # of month}
beginning of each month: monthly-{Jan-Dec}
NOTE: Snapshots are currently experimental phase while other filesystem changes are in progress! We expect snapshots to be in production shortly after the reorganization of project and home directories has completed.
4. "What is the best way to transfer my files from ACISS to Talapas?"
There are multiple ways to do this, but perhaps the easiest way for you to do this is by using rsync, e.g.:
Login to Talapas:
ssh myDuckID@talapas-login.uoregon.edu
then execute rsync:
[user@ln1 ~]$ rsync -auv myDuckID@ftn.aciss.uoregon.edu:/myHomeDirectory/myDuckID aciss
alternatively you can use scp:
[user@ln1 ~]$ scp -rp myDuckID@ftn.aciss.uoregon.edu:/myHomeDirectory/myDuckID aciss
This will create for you a directory "aciss" within your home directory on Talapas which will contain the contents of your home directory on ACISS without disturbing your top home directory on Talapas. If your transfer gets interrupted, then try rsync with the "u" option (for update).
After your transfer has completed, you can reorganize as you please. If you need further assistance on your file transfer, let us know.