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ajma...@gmail.com
5/9/25
Avoiding control network traffic violations while using RDMA
Hi all, If your experimentation involves RDMA, you will need to make sure that your configuration is
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Avoiding control network traffic violations while using RDMA
Hi all, If your experimentation involves RDMA, you will need to make sure that your configuration is
5/9/25
Leigh Stoller
, …
Rajvardhan Deshmukh
18
12/21/17
New feature; repository based profiles
> How large can the repository be? Can its size be around 14-16G? That would be too big. Consider
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New feature; repository based profiles
> How large can the repository be? Can its size be around 14-16G? That would be too big. Consider
12/21/17
nandini puranik
, …
Leigh Stoller
6
10/13/17
Unable to instantiate OnePC-Ubuntu-14.04.5 profile from cord-testdrive project
> Instead of deleting it, we could prefix the name with `deprecated` or `broken` or some other
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Unable to instantiate OnePC-Ubuntu-14.04.5 profile from cord-testdrive project
> Instead of deleting it, we could prefix the name with `deprecated` or `broken` or some other
10/13/17
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Simon Bertron
,
Mike Hibler
7
2:30 PM
Unable To Powercycle c6525-100g
The boot disk is not always nvme0n1, sometimes it will be nvme1n1 depending on how Linux names the
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Unable To Powercycle c6525-100g
The boot disk is not always nvme0n1, sometimes it will be nvme1n1 depending on how Linux names the
2:30 PM
Jinchun He
,
Mike Hibler
2
8:57 AM
/proj quota not released after ~50 GB / ~123k file deletions (project a2234, Utah)
Both of the Utah clusters (Cloudlab Utah, Emulab) create daily snapshots of filesystems in /proj that
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/proj quota not released after ~50 GB / ~123k file deletions (project a2234, Utah)
Both of the Utah clusters (Cloudlab Utah, Emulab) create daily snapshots of filesystems in /proj that
8:57 AM
Guillermo Loustau de Linares
,
Robert Ricci
2
Sep 18
SSH access to a node in another user's experiment
On Fri, 18 Sep 2026 10:44, 'Guillermo Loustau de Linares' via cloudlab-users <cloudlab-
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SSH access to a node in another user's experiment
On Fri, 18 Sep 2026 10:44, 'Guillermo Loustau de Linares' via cloudlab-users <cloudlab-
Sep 18
Aditya Senthilnathan
Sep 18
Question about login credentials for d7525 (UWisc) Bluefield-2 ARM-side Linux
Hi, I'm working on the d7525 node and I'm attempting to ssh into the Bluefield-2 ARM-side
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Question about login credentials for d7525 (UWisc) Bluefield-2 ARM-side Linux
Hi, I'm working on the d7525 node and I'm attempting to ssh into the Bluefield-2 ARM-side
Sep 18
Omar Eqbal
,
Aleksander Maricq
5
Sep 15
Disabling Memory Channel Interleaving
On more recent Dell machines at least, this setting is called "Node Interleaving". On the
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Disabling Memory Channel Interleaving
On more recent Dell machines at least, this setting is called "Node Interleaving". On the
Sep 15
lam...@gmail.com
,
Mike Hibler
2
Sep 3
Mismatch between portal hardware availablility and resource availability
I believe that the latter (portal hardware page) does not take into account nodes type reservations,
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Mismatch between portal hardware availablility and resource availability
I believe that the latter (portal hardware page) does not take into account nodes type reservations,
Sep 3
Kevin Lin
,
Mike Hibler
5
Sep 3
Two d7525 node's link seems down
Hi Mike, Thanks for the update. Looks it is working. Thank you! Kevin On Thursday, September 3, 2026
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Two d7525 node's link seems down
Hi Mike, Thanks for the update. Looks it is working. Thank you! Kevin On Thursday, September 3, 2026
Sep 3
john.ou...@gmail.com
,
Mike Hibler
3
Aug 30
Image creation failed
Thanks. -John- On Sun, Aug 30, 2026 at 8:36 AM Mike Hibler <mi...@emulab.net> wrote: Linux
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Image creation failed
Thanks. -John- On Sun, Aug 30, 2026 at 8:36 AM Mike Hibler <mi...@emulab.net> wrote: Linux
Aug 30
Minhao Jin
,
Mike Hibler
2
Aug 27
Wisc dataset extension
Done. On Thu, Aug 27, 2026 at 06:53:26AM -0700, Minhao Jin wrote: > Hi Admin, > > Sorry I
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Wisc dataset extension
Done. On Thu, Aug 27, 2026 at 06:53:26AM -0700, Minhao Jin wrote: > Hi Admin, > > Sorry I
Aug 27
ff...@nyu.edu
, …
Aleksander Maricq
3
Aug 26
{host-node} hostname doesn't resolve at Emulab
Sorry for the delay here, we've tracked this down and it should be fixed now. On Saturday, August
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{host-node} hostname doesn't resolve at Emulab
Sorry for the delay here, we've tracked this down and it should be fixed now. On Saturday, August
Aug 26
john.ou...@gmail.com
,
Aleksander Maricq
2
Aug 26
New c6620 configuration is problematic
I know that you (probably) figured out the true reason for your current problems over in the other
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New c6620 configuration is problematic
I know that you (probably) figured out the true reason for your current problems over in the other
Aug 26
john.ou...@gmail.com
,
Aleksander Maricq
4
Aug 25
Long packet gaps in c6620 cluster
Glad you were able to sleuth this out! We'll set up access for you tomorrow, hopefully this does
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Long packet gaps in c6620 cluster
Glad you were able to sleuth this out! We'll set up access for you tomorrow, hopefully this does
Aug 25
JooYoung Park
,
David M Johnson
4
Aug 25
emulab-udev-settle-networkd.service failing after apt install
Hi JooYoung, Thanks for the reminder. I dug into this a little bit more, and I'm not sure my
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emulab-udev-settle-networkd.service failing after apt install
Hi JooYoung, Thanks for the reminder. I dug into this a little bit more, and I'm not sure my
Aug 25
Aleksander Maricq
, …
John Ousterhout
15
Aug 24
CloudLab Utah c6620 downtime - August 6th
That's unfortunate.... -John- On Sun, Aug 23, 2026 at 6:56 AM Mike Hibler <mi...@emulab.net>
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CloudLab Utah c6620 downtime - August 6th
That's unfortunate.... -John- On Sun, Aug 23, 2026 at 6:56 AM Mike Hibler <mi...@emulab.net>
Aug 24
Wentao Zhang
, …
cloudlab-users
9
Aug 23
c220g5-110423's HDD and SSD assigned to sda/sdb in unconventional order
On 2026-08-23 06:40, cloudlab-users wrote: > I had hoped to be able to fix this in the BIOS, but
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c220g5-110423's HDD and SSD assigned to sda/sdb in unconventional order
On 2026-08-23 06:40, cloudlab-users wrote: > I had hoped to be able to fix this in the BIOS, but
Aug 23
Zhaoqi Zhang
Aug 20
Dead NIC on node sm110p-10s10605, Wisc cluster
Hi CloudLab team, Node sm110p-10s10605 in Wisc cluster has no carrier on its experimental network NIC
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Dead NIC on node sm110p-10s10605, Wisc cluster
Hi CloudLab team, Node sm110p-10s10605 in Wisc cluster has no carrier on its experimental network NIC
Aug 20
Jinghua Wang
, …
Mike Hibler
8
Aug 19
Unable to start experiment with two c4130 nodes in CloudLab Wisconsin
Unfortunately, it appears you will only be able to get one node right now. The second node is having
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Unable to start experiment with two c4130 nodes in CloudLab Wisconsin
Unfortunately, it appears you will only be able to get one node right now. The second node is having
Aug 19
Shining Yang
,
Suranga Handagala
4
Aug 16
Cannot Start Node with OCT-u280 on Mass Cluster
The startup script has finished running. Check only the host node status (pc155 in your case) in the
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Cannot Start Node with OCT-u280 on Mass Cluster
The startup script has finished running. Check only the host node status (pc155 in your case) in the
Aug 16
11Study
Aug 12
Account Frozen and Email Password Reset Disabled
Hi Team, After some failed login attempts, my account was frozen, and I found that I could no longer
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Account Frozen and Email Password Reset Disabled
Hi Team, After some failed login attempts, my account was frozen, and I found that I could no longer
Aug 12
Minhao Jin
,
Mike Hibler
2
Aug 11
Wisc dataset extension
Done. On Tue, Aug 11, 2026 at 09:06:53AM -0700, Minhao Jin wrote: > Hi admin, > > I failed
unread,
Wisc dataset extension
Done. On Tue, Aug 11, 2026 at 09:06:53AM -0700, Minhao Jin wrote: > Hi admin, > > I failed
Aug 11
Yuanhao Chang
,
Mike Hibler
2
Aug 11
Wisconsin cluster down / DNS resolution failures
Sorry, the Wisconsin cluster appears to be down right now. The Wisconsin staff have been notifed. We
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Wisconsin cluster down / DNS resolution failures
Sorry, the Wisconsin cluster appears to be down right now. The Wisconsin staff have been notifed. We
Aug 11
Maksym Shcherba
,
Aleksander Maricq
11
Aug 7
d760-hbm node in the shutdown state
Thanks, Aleks! On Friday, 7 August 2026 at 00:49:44 UTC+3 Aleksander Maricq wrote: flex11 is free now
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d760-hbm node in the shutdown state
Thanks, Aleks! On Friday, 7 August 2026 at 00:49:44 UTC+3 Aleksander Maricq wrote: flex11 is free now
Aug 7
Minhao Jin
,
Mike Hibler
2
Jul 22
dataset extension
I put it back in the valid state and extended it for another month. You are lucky you had the dataset
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dataset extension
I put it back in the valid state and extended it for another month. You are lucky you had the dataset
Jul 22
Lorenzo Rosa
,
Aleksander Maricq
3
Jul 21
Change account email
Hi Lorenzo, Sorry, this one slipped through the cracks... I will follow up with you directly. Best, -
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Change account email
Hi Lorenzo, Sorry, this one slipped through the cracks... I will follow up with you directly. Best, -
Jul 21
Kevin Lin
,
Aleksander Maricq
2
Jul 21
Node fail to start
Hi Kevin, apologies for the delay in response. Looks like those nodes went out of service after you
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Node fail to start
Hi Kevin, apologies for the delay in response. Looks like those nodes went out of service after you
Jul 21
Peter Q
, …
Trever Schirmer
4
Jul 21
Portal API Token revoked — no way to regenerate from web UI
Hi David, I think I have the same issue, as my token is also revoked. My username is "schirmer
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Portal API Token revoked — no way to regenerate from web UI
Hi David, I think I have the same issue, as my token is also revoked. My username is "schirmer
Jul 21
Ashfaqur Rahaman
,
Mike Hibler
4
Jul 20
sm110p nodes failing to boot
Hi Mike, Thank you so much for the fix. I was able to boot all the nodes successfully. Kind regards,
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sm110p nodes failing to boot
Hi Mike, Thank you so much for the fix. I was able to boot all the nodes successfully. Kind regards,
Jul 20
Simon Bertron
,
David M Johnson
3
Jul 9
Portal API Status
Thanks for the update and the fix! -Simon On Thursday, July 9, 2026 at 4:08:42 PM UTC-4 David Johnson
unread,
Portal API Status
Thanks for the update and the fix! -Simon On Thursday, July 9, 2026 at 4:08:42 PM UTC-4 David Johnson
Jul 9
john.ou...@gmail.com
,
Aleksander Maricq
2
Jul 7
EDID block 0 (tag 0x00) checksum is invalid
Thanks for the heads-up John, I'll look into it. On Monday, July 6, 2026 at 5:52:51 PM UTC-6 john
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EDID block 0 (tag 0x00) checksum is invalid
Thanks for the heads-up John, I'll look into it. On Monday, July 6, 2026 at 5:52:51 PM UTC-6 john
Jul 7
john.ou...@gmail.com
,
Mike Hibler
9
Jul 6
Node boots with wrong image
No problem; thanks for fixing it. -John- On Mon, Jul 6, 2026 at 2:58 PM Mike Hibler <mike@flux.
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Node boots with wrong image
No problem; thanks for fixing it. -John- On Mon, Jul 6, 2026 at 2:58 PM Mike Hibler <mike@flux.
Jul 6