Isn't the issue with SSD that it has a finite limit in the number of writes? I'd hate to hit that limit. But I'm not really informed on the topic - maybe it doesn't really reach it that limit any sooner than a drive platter reaches it's useful limits?
Tim Worman UCLA GSE&IS On Dec 14, 2009, at 11:16 AM, Kieran Kelleher wrote: > Hi Henrique, > > 500GB is fine for thgis application, however..... > > I don't have a problem trusting an SSD on my own computer, but I am not sure > if the longevity/endurance/reliability is proven for enterprise 24/7 > reliability on a critical database server, is it? > > In any case, I still need a decent eSATA PCI card for the XServe - anyone > ever buy one with good results? > > -Kieran > > On Dec 14, 2009, at 1:57 PM, Henrique Gomes wrote: > >> If you really need 1Tb now and only spend <$1000 then don't read the rest :-) >> >> If you can live with 500GB and can spend a little more, think about a 500GB >> SSD drive and forget the RAID part, one SSD drive is faster than two >> mechanical drives (no seek time) and I see no point in mirroring them as >> the main causes for it are gone with flash; no bad sectors, no head crash >> etc... And you are going to backup regularly even if mirroring right? >> >> A search for '500gb ssd' gives OCZ drives for ~ $1500. You can then either >> get an e-sata or firewire enclosure. Or move the internal drive to an >> external enclosure and put the SSD inside if that's were the majority of >> disk traffic is going to be. >> >> The reason I bring this up is that I just replaced the drive on my macbook >> pro with an Intel SSD and altough it's a smaller one (80GB) I'm still >> amazed with the performance. My dashboard took >30secs to fully initliaze, >> now it's more like 2 seconds. Eclipse, openoffice and other really slow >> starters appear in 3 or 4 seconds. Did I say it's fast? >> >> Henrique >> >> On Dec 14, 2009, at 6:15 PM, Kieran Kelleher wrote: >> >>> Thanks for the warning! Thanks to everyone for responses so far..... >>> >>> OK, so regular 4-drive RAID 1+0 is what it will be, either the OWC or one >>> of the ones recommended below. >>> >>> Next up ....... eSATA PCI cards for Dual G5 XServe - anyone have any good >>> recommendations? Here is one I found: >>> http://www.datoptic.com/cgi-bin/web.cgi?product=eSATA_pcix&detail=yes >>> >>> -Regards, Kieran >>> >>> On Dec 14, 2009, at 12:47 PM, ACN wrote: >>> >>>> Run, don't walk, away from the Drobo. While the later Firewire based >>>> models may have improved, our interaction with the first gen models went >>>> like this... Plug unit in. Trust your data to it. Have no data. Let me >>>> put it another way. Drobo came to us for a little dog and pony show. >>>> They left us our NFR and before the rep made it to the elevator, we broke >>>> it so bad he took it back. This is a true story. On of my hardware guys >>>> killed the unit in less than 5 minutes while doing the supposedly >>>> supported drive swap. >>>> >>>> The OWC device looks nice if you need rack mount storage (I've had no >>>> experience with it). If you are set on a 4 drive unit, we recommend for >>>> our customers either: ArticRoc >>>> (http://www.rocstor.com/Products/arcticroc-4t.html), the RTX-400 >>>> (http://www.wiebetech.com/products/RTX400QR.php), or the HDElement >>>> (http://www.caldigit.com/HDElement/). The CalDigit stuff we usually use >>>> for video customers so you are likely not looking for that type of >>>> transactional storage. The others have proven to be flexible and reliable. >>>> >>>> Stay away from the Lacie stuff. Again, many bad experiences (although >>>> they now have a tempting rack mount unit for FC but the price is likely >>>> too high for your needs). The MyBook drives are also not high on my >>>> recommend list. >>>> >>>> Hope this helps >>>> >>>> R- >>>> >>>> >>>> On Dec 14, 2009, at 9:04 AM, Kieran Kelleher wrote: >>>> >>>>> Hi All, >>>>> >>>>> Looking for suggestions for an economical (< $1000) "poor man's" RAID 1+0 >>>>> 4-drive storage solution for a dual 2.0 G5 Xserve that must be used as a >>>>> dedicated database server. It is a cluster node model with just one >>>>> hard-drive bay. >>>>> >>>>> It has Firewire 800 ports and 2 PCI-X slots. One PCI slot has a video >>>>> card, one is empty. >>>>> >>>>> I was thinking possibly of a esata PCIX card with a OWC 4-drive hardware >>>>> RAID rack unit: >>>>> http://www.datoptic.com/cgi-bin/web.cgi?product=eSATA_pcix&detail=yes - >>>>> $99 >>>>> http://eshop.macsales.com/shop/hard-drives/RAID/Rack_Mount/FireWire_eSATA_USB2_RAID >>>>> - $850 (includes 4 x 500GB enterprise hard drives) >>>>> >>>>> There will be 2 slaves continuously replicating for additional data >>>>> protection. >>>>> >>>>> Any thoughts or other suggestions? >>>>> >>>>> Regards, Kieran >>>>> _______________________________________________ >>>>> Do not post admin requests to the list. They will be ignored. >>>>> Webobjects-deploy mailing list ([email protected]) >>>>> Help/Unsubscribe/Update your Subscription: >>>>> http://lists.apple.com/mailman/options/webobjects-deploy/acn%40carbontechnologies.com >>>>> >>>>> This email sent to [email protected] >>>> >>>> >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-deploy mailing list ([email protected]) >>> Help/Unsubscribe/Update your Subscription: >>> http://lists.apple.com/mailman/options/webobjects-deploy/lists%40farol.pt >>> >>> This email sent to [email protected] >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-deploy mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/webobjects-deploy/kieran_lists%40mac.com >> >> This email sent to [email protected] > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-deploy mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-deploy/lists%40thetimmy.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-deploy mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/webobjects-deploy/archive%40mail-archive.com This email sent to [email protected]
