[SLUG] GPT partions, losetup and mounting NTFS

2009-09-02 Thread Dave Kempe
Hi, I have a GPT partition like so: #parted /dev/mapper/storagevg0-ntserveriscsi GNU Parted 1.7.1 Using /dev/mapper/storagevg0-ntserveriscsi Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) p Disk /dev/mapper/storagevg0-ntserveriscsi: 1100GB Sector size

Re: [SLUG] GPT partions, losetup and mounting NTFS

2009-09-02 Thread Dave Kempe
Answering my own question, you can use the undocumented parameter 'unit' to set the units to bytes in parted. r...@storage:~# parted /dev/mapper/storagevg0-ntserveriscsi unit B print Disk /dev/mapper/storagevg0-ntserveriscsi: 1099511627775B Sector size (logical/physical): 512B/512B Partition

Re: [SLUG] GPT partions, losetup and mounting NTFS

2009-09-02 Thread Dave Kempe
- Chris MacKenzie cmacken...@internode.on.net wrote: I prefer to use kpartx to create device mappings from lvm disk images, it's much easier than fapping about with offsets :) usage : kpartx [-a|-d|-l] [-v] wholedisk -a add partition devmappings -d del partition

Re: [SLUG] GPT partions, losetup and mounting NTFS

2009-09-02 Thread Chris MacKenzie
Dave Kempe wrote: Hi, I have a GPT partition like so: #parted /dev/mapper/storagevg0-ntserveriscsi GNU Parted 1.7.1 Using /dev/mapper/storagevg0-ntserveriscsi Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) p Disk /dev/mapper/storagevg0-ntserveriscsi: 1100GB

[SLUG] Petabytes on a budget

2009-09-02 Thread Phil Scarratt
Thought people might find this interesting. It doesn't get to the cloud bit, but describes the building block they use. Petabytes on a budget: How to build cheap cloud storage http://blog.backblaze.com/2009/09/01/petabytes-on-a-budget-how-to-build-cheap-cloud-storage/ At Backblaze, we provide

[SLUG] Re: DNS Appliances/Web Frontends

2009-09-02 Thread Steve Anelay
Hi, I work at ApplianSys and although we're not as big as Infoblox we're a lot more competitive price wise, and we've deployed a lot of servers in Aus. We do a range of products including integrated DNS, DHCP and IPAM in our top of the range appliance. A recent case study can be found here

Re: [SLUG] Petabytes on a budget

2009-09-02 Thread Morgan Storey
I know I am a geek but that is hot. I am wondering if they see any throughput issues with the sata backplanes and pci sata cards. On Wed, Sep 2, 2009 at 10:55 PM, Phil Scarratt f...@draxsen.com wrote: Thought people might find this interesting. It doesn't get to the cloud bit, but describes

Re: [SLUG] Petabytes on a budget

2009-09-02 Thread Mark Walkom
I was thinking the same, but I reckon because they are just backing up/archiving data it wouldn't be too bad. ie They aren't looking for huge performance, just huge, cheap storage. 2009/9/3 Morgan Storey m...@morganstorey.com I know I am a geek but that is hot. I am wondering if they see any

Re: [SLUG] Petabytes on a budget

2009-09-02 Thread Jake Anderson
On 03/09/09 10:37, Mark Walkom wrote: I was thinking the same, but I reckon because they are just backing up/archiving data it wouldn't be too bad. ie They aren't looking for huge performance, just huge, cheap storage. 2009/9/3 Morgan Storeym...@morganstorey.com I know I am a geek but

Re: [SLUG] Petabytes on a budget

2009-09-02 Thread Morgan Storey
nope the 4-port is PCI 66mhz, http://www.addonics.com/products/host_controller/adsa4r5.asp taken from their parts lists so 15 drives will be all running through that 133Mbytes/sec they will see a bottleneck. Me I would get a 3 slot pcie 4x and use two 8 port sata controllers and save the other for