Servers that may be affected by this are:

absinthe achilles adams ak alondra altoid atlantic aviation babyruth badillo bandini barranca baseline bazooka beaudry bellflower betsybird beverly blowpop bonbon bottlecap bounty bourbon boyd broadway brownie bundy butler butterfinger cahuenga centinela cerritos cheese cheeto cheezit chiclet cienega cognac colbert cookie crackerjack cupcake dingdong dorito drumstick dumdum fairfax federal fireballs firestone fletcher flower formosa frito fruitland fudge fundip garth garvey good gower grand granola grappa gumdrop gummi hillhurst hillmont hoho holt hope hyperion jalapa jefferson juniormint jurupa larchmont laurel lemonhead licorice lifesaver limbo-spunky4 look lucas mariposa mayo mazalien melrose milliken mills monroe moorpark nash necco nightlife nilla nothingless nougat nuno nutrageous oakdale obvious ocean ord overland oxnard paramount payday pernod pez piggy plenty popcorn pretzel ps4769 ps5117 ps6496 ps6519 rampart rangerxxx razzle redhot redondo reeses rexford ritz rockyroad rodeo rollo roscoe rosecrans rum saltine sanborn schnapps scotch selma sepulveda shoutitlouder skittle skor skybar smores snicker soto sourpatch splashy spree stravinsky suburbview sugardaddy sunset syt taffy tampa tequila toffee tootsie truffle twinkie twix twizzler union vanowen vermouth vine virgil washington wayne western whittier whopper wilmington wilshire wiredgeek wmo york

UPDATE 6:57am Pacific: We are also adding Spunky email to the list of services that are down due to this, as some email accounts are hosted on that file server.

We have also discovered the cause for this downtime.  The shelves that hold this file server are redundantly powered, but it seems that both of the power supplies have taken a dive.  We are currently working to restore power to this shelf and hope to have that completed soon.  Check back here for more updates!

UPDATE 7:33am Pacific: We’re almost there!  We ended up replacing the shelf for this file server, as we discovered that one of the power strips died and the power supply connected to the hot strip was also dead!  So, this normally wouldn’t have caused an outage like this, save for the surprise dead power strip.  The file server is coming back online now and we’ll post the all clear here when we have completed some tests.

UPDATE 10:45am Pacific: The file server issues have been resolved and all services appear to be working correctly now. We are still however dealing with the newest status post about network issues we are dealing with.

http://www.dreamhoststatus.com/2009/06/08/emergency-network-outage/

So if you are noticing problems still it is likely related to that outage now. Sorry about the file server downtime. Typically our backup power supply would have saved us from this outage. This issue is resolved.

Please check back here for updates.

Update 5/7/08 11am Pacific — We have narrowed down the problem to only affecting customers using the following ISPs: AT&T/Sbcglobal, Comcast and RoadRunner. We have tested the following solution with the help of one of the affected customers, so this should work for all: You will need to change your ftp-only user to sftp to go around what we suspect to be bandwidth throttling affecting only FTP connections.

Edit your ftp-only user to be sftp in the control panel under Users/Manage Users ( https://panel.dreamhost.com/index.cgi?tree=users.users& ). This should schedule a user update, and as soon as the little clock next to your username in the control panel is gone, log in with that user using the SFTP settings on your upload client, and you should be able to upload the large files. If your current client doesn’t have SFTP connection, you will need to download another one.
Please note, if you’re already using a shell user to connect through ftp, then all you need to do is change to sftp in your client, you don’t need to modify your user.

If the above doesn’t make your problems go away, then it’s most likely unrelated. Please send support a message, so we can look into it for you.

Update 5/8/08 9am Pacific — Apparently Verizon and other ISPs have been added to the list. Even if your ISP is not listed, please try to change to sftp, and if that doesn’t work, let us know with as many details as possible.

Update 5/8/08 10:50am Pacific — We’re continuing to look into this problem to make sure it’s not something on our end that’s causing the connection drops. We have just tested a few more cases were the customer switching to SFTP didn’t make a difference, but so far we couldn’t replicate the problem, but we’re still checking, examining more data.
In the meantime, continue trying to switch to SFTP to try that way. We recommend that over FTP anyway for its security. If you’re using telnet, you should be switching to ssh instead.

Here’s a link to the article in our Wiki regarding the use of SFTP…
(http://wiki.dreamhost.com/SFTP)

Update 5/09/08 8:15pm Pacific — We’re still looking into this issue, and thought it was resolved for most users, however, that doesn’t seem to be the case. At this point, all tests we’ve run on users mentioning problems come back working 100%. We’re unable to verify the problem at all, other than the support that’s coming in about it. We do have some support personal on some of the effected networks, and will be doing tests.

We apologize for the delay in getting this fixed, however, it’s not reproducible on our end, at all, so that makes it even that much more difficult to track down. We’ll keep updating, the more info we have.

Update 5/10/08 7:45pm Pacific — Ok, this still seems to be happening, however, we may have found a way around things. We’ve tested on a known problem network, and the test went through correctly. Please try FTP again, as some head way in the issue has been made. If not, hold tight, we’re still working on the problem

Update 5/15/08 11:00am Pacific — We’ve made a couple of small changes to our FTP server that seem to be resolving the connection dropping issues for some people. The changes should now be live on all shared servers and will be live on all PS servers shortly. If people could test some of their uploads and report success or failures to support, the help would be appreciated.