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Hi e100 As also i have problems for download this program: git clone git://git.linbit.com/drbd-utils.git I would like ask you to send me by email a copy of this download. Ahh, please, that both programs (DRBD v8.4.5 and utils v8.9.1) be from the git, due to that if are of...

Hi adamb. Many thanks for your reply, and now i know that with the kernel 3.10, PVE has automatic and online huge pages enabled. As a reference about of this support in the RedHat kernel (between other things), see this web link...

Many thanks e100 !!!, i will wait your email. Moreover, if you have news about of SQL + hugepages + trace flag 834 + some other information relevant, please let me know, that from me part although i will not work in MS-SQL (that a DBA is involved), if i have good news, i can tell you about...

Hi e100. Many Thanks for your tips, you are a great companion. I have the 3.10 Kernel installed in my PVEs, and his option of automatic configuration of huge page in online mode is a idea very likable. And about of the tips on SQL server, this information is new for me, but as we have a DBA...

Any help will be welcome The problem is that in few days the server will be in production. Maybe this PDF document help us with auto balacing of numa and automatic huge pages (supported in the kernel)...

Hi Mir Cesar greets you again. Excuse me if i am causing disturbances, but I have a new problem, i can not download from the repo git the "drbd-8.4.git" since this morning (now is of night): shell> git clone git://git.drbd.org/drbd-8.4.git Apparently, there are problems with this portal, so...

Many thank, i will do it.

Hi mir, many thanks for your reply. I don't use dkms, never worked for me, so i do the compilation manually. Moreover, i know that i need the headers for do my compilation, that for me it isn't a problem, my doubt is about of the .deb file generated with the compilation of DRBD, if is need...

Hi adamb and everyone. I will be very grateful if you can help me. I have 256 GB. RAM in a Server, for use it only with PVE and a Win2008R2 VM that will have also MS-SQL-Server. The distribution of the RAM of this Server will be so: - 8 GB. RAM for PVE - 8 GB. RAM for the Win2008R2 VM - 240...

Hi Mir I again with other question. I have compiled DRBD 8.4.5 in PVE with "pve-kernel-2.6.32-34-pve", now i changed the kernel to "pve-kernel-3.10.0-5-pve", so my question is if I will need to reinstall the debian package that is generated with this new compilation. Many thanks beforehand...

I have solved the problem with the latest version kernel and modifying some codes. Because i will enjoy of the all features that has the virtualization, as HA, online Backup, etc., and for don't have speed degradation problems, the hardware setup must be very robust, also i have configured and...

Hi NdK73. Thanks for your reply The final target is use the RAM of this manner (The 256GB RAM of Server): For PVE: a) Use the OS (PVE) with 8 GB. RAM. For the VM: b) 8 or 16 GB. RAM for the OS (the VM share some necessary files) c) 248 or 240 GB. RAM for the MS-SQL Server. Question: Why If i...

Hi to all. Anybody that can help me? My Setup: In Hardware i have a DELL R720, two processors Intel Xeon CPU E5-2690 v2 @ 3.00GHz., 256GB RAM. In the Hardware Bios, i have configured Numa, and processor optimized for random access to the RAM. In Software recently installed: PVE 3.3-5 (from...

I don't know, it depend of your max write speed in the storage and the max speed of your network DRBD. I think that if you have NICs of 10 Gb/s, the storage will be more slow. For do such test, I have as habit always configure within of DRBD the speed of write to values super high for the first...

e100, many thanks, i believe the same, and if we have doubt, we only need do the verification of DRBD twice, the first time with the secret phrase and encryption enabled and see the time that need DRBD for complete the task, and second with... ¿? Best regards Cesar

Also should be careful of avoid the loss of data, then I use this strategy for obtain better performance and avoid the loss data: A) The PVE server with much RAM for assign to the VM, and as the OS of the VM can to do read cache, then there will be minus activity of disk and in general terms...

It depends largely on the version you are using.

@macday: AH ..... i forgot tell you that with 8.4.x versions of DRBD, these systems have some options for that in dynamic form change the speed of replication and synchronization in the fly, the target is obtain more speed of replication when is necessary, and obtain more speed of...

@macday: The DRBD team recommends for use the synchronization speed, the third part of the disk speed or the NIC, whichever is slower of both, of this manner, your replication system will use all the rest possible of bandwidth and speed disk. Please see this link...

Hi to all, especially to the creators of this book. On the one hand, seeing the index of book "Proxmox High Availability", I guess that it is a great book (i will buy it), and for other hand, please, let me to do a question according to my needs, and of course that i am talking with much...